Sir Isaac Newton PRS was an English mathematician, astronomer, and physicist who is widely recognised as one of the most influential scientists of all time and a key figure in the scientific revolution. His book Philosophiæ Naturalis Principia Mathematica (“Mathematical Principles of Natural Philosophy”), first published in 1687, laid the foundations of classical mechanics. Newton’s Principia formulated the laws of motion and universal gravitation that dominated scientists’ view of the physical universe for the next three centuries.
The Ignis Fatuus Is A Vapor Shining Without Heat.
If I Have Seen Further Than Others, It Is By Standing Upon The Shoulders Of Giants.
An Object In Motion Tends To Remain In Motion Along A Straight Line Unless Acted Upon By An Outside Force.
Tact Is The Art Of Making A Point Without Making An Enemy.
Infinites, When Considered Absolutely Without Any Restriction Or Limitation, Are Neither Equal Nor Unequal, Nor Have Any Certain Proportion One To Another, And Therefore, The Principle That All Infinites Are Equal Is A Precarious One.
If I Have Done The Public Any Service, It Is Due To My Patient Thought.
It Is The Weight, Not Numbers Of Experiments That Is To Be Regarded.
To Me There Has Never Been A Higher Source Of Earthly Honor Or Distinction Than That Connected With Advances In Science.
We Are To Admit No More Causes Of Natural Things Than Such As Are Both True And Sufficient To Explain Their Appearances.
What Goes Up Must Come Down.
In The Absence Of Any Other Proof, The Thumb Alone Would Convince Me Of God's Existence.
My Powers Are Ordinary. Only My Application Brings Me Success.
Plato Is My Friend; Aristotle Is My Friend, But My Greatest Friend Is Truth.
Genius Is Patience.
Truth Is Ever To Be Found In Simplicity, And Not In The Multiplicity And Confusion Of Things.
God Is The Same God, Always And Everywhere. He Is Omnipresent Not Virtually Only, But Also Substantially, For Virtue Cannot Subsist Without Substance.
Absolute Space, In Its Own Nature, Without Regard To Anything External, Remains Always Similar And Immovable. Relative Space Is Some Movable Dimension Or Measure Of The Absolute Spaces, Which Our Senses Determine By Its Position To Bodies, And Which Is Vulgarly Taken For Immovable Space.
The Best And Safest Method Of Philosophizing Seems To Be First To Inquire Diligently Into The Properties Of Things, And Establishing Those Properties By Experiments, And Then To Proceed More Slowly To Hypotheses For The Explanation Of Them.
The Motions Which The Planets Now Have Could Not Spring From Any Natural Cause Alone, But Were Impressed By An Intelligent Agent.
There Are More Sure Marks Of Authenticity In The Bible That In Any Profane History.
To Explain All Nature Is Too Difficult A Task For Any One Man Or Even For Any One Age. 'Tis Much Better To Do A Little With Certainty &Amp; Leave The Rest For Others That Come After You.
A Man May Imagine Things That Are False, But He Can Only Understand Things That Are True, For If The Things Be False, The Apprehension Of Them Is Not Understanding.
Gravity Must Be Caused By An Agent Acting Constantly According To Certain Laws, But Whether This Agent Be Material Or Immaterial I Have Left To The Consideration Of My Readers.
The Centre Of The System Of The World Is Immovable.
The Proper Method For Inquiring After The Properties Of Things Is To Deduce Them From Experiments.
The Motions Of The Comets Are Exceedingly Regular, And They Observe The Same Laws As The Motions Of The Planets, But They Differ From The Motions Of Vortices In Every Particular And Are Often Contrary To Them.
Are Not Rays Of Light Very Small Bodies Emitted From Shining Substances?
This Most Beautiful System Of The Sun, Planets, And Comets, Could Only Proceed From The Counsel And Dominion Of An Intelligent And Powerful Being.
I There Represent That I Sent Notice Of My Method To Mr. Leibnitz Before He Sent Notice Of His Method To Me, And Left Him To Make It Appear That He Had Found His Method Before The Date Of My Letter.
I Have Explained The Phenomena Of The Heavens And Of Our Sea By The Force Of Gravity, But I Have Not Yet Assigned A Cause To Gravity.
Fidelity And Allegiance Sworn To The King Is Only Such A Fidelity And Obedience As Is Due To Him By The Law Of The Land; For Were That Faith And Allegiance More Than What The Law Requires, We Would Swear Ourselves Slaves And The King Absolute; Whereas, By The Law, We Are Free Men, Notwithstanding Those Oaths.
It May Be That There Is No Such Thing As An Equable Motion, Whereby Time May Be Accurately Measured. All Motions May Be Accelerated Or Retarded, But The True, Or Equable, Progress Of Absolute Time Is Liable To No Change.
To Every Action There Is Always Opposed An Equal Reaction.
If Anyone Offers Conjectures About The Truth Of Things From The Mere Possibility Of Hypotheses, I Do Not See By What Stipulation Anything Certain Can Be Determined In Any Science, Since One Or Another Set Of Hypotheses May Always Be Devised Which Will Appear To Supply New Difficulties.
If The Experiments Which I Urge Be Defective, It Cannot Be Difficult To Show The Defects; But If Valid, Then By Proving The Theory, They Must Render All Objections Invalid.
Hypotheses Should Be Subservient Only In Explaining The Properties Of Things But Not Assumed In Determining Them, Unless So Far As They May Furnish Experiments.
Why There Is One Body In Our System Qualified To Give Light And Heat To All The Rest, I Know No Reason But Because The Author Of The System Thought It Convenient; And Why There Is But One Body Of This Kind, I Know No Reason, But Because One Was Sufficient To Warm And Enlighten All The Rest.
As A Blind Man Has No Idea Of Colors, So Have We No Idea Of The Manner By Which The All-wise God Perceives And Understands All Things.
Religion And Philosophy Are To Be Preserved Distinct. We Are Not To Introduce Divine Revelations Into Philosophy, Nor Philosophical Opinions Into Religion.
Nothing Can Be Divided Into More Parts Than It Can Possibly Be Constituted Of. But Matter (I.e. Finite) Cannot Be Constituted Of Infinite Parts.
Just As The System Of The Sun, Planets And Comets Is Put In Motion By The Forces Of Gravity, And Its Parts Persist In Their Motions, So The Smaller Systems Of Bodies Also Seem To Be Set In Motion By Other Forces And Their Particles To Be Variously Moved In Relation To Each Other And, Especially, By The Electric Force.
The Description Of Right Lines And Circles, Upon Which Geometry Is Founded, Belongs To Mechanics. Geometry Does Not Teach Us To Draw These Lines, But Requires Them To Be Drawn.
Atheism Is So Senseless. When I Look At The Solar System, I See The Earth At The Right Distance From The Sun To Receive The Proper Amounts Of Heat And Light. This Did Not Happen By Chance.
Gravity May Put The Planets Into Motion, But Without The Divine Power, It Could Never Put Them Into Such A Circulating Motion As They Have About The Sun; And Therefore, For This As Well As Other Reasons, I Am Compelled To Ascribe The Frame Of This System To An Intelligent Agent.
'God' Is A Relative Word And Has A Respect To Servants, And 'Deity' Is The Dominion Of God, Not Over His Own Body, As Those Imagine Who Fancy God To Be The Soul Of The World, But Over Servants.
That The Divided But Contiguous Particles Of Bodies May Be Separated From One Another Is A Matter Of Observation; And, In The Particles That Remain Undivided, Our Minds Are Able To Distinguish Yet Lesser Parts, As Is Mathematically Demonstrated.
It Is Indeed A Matter Of Great Difficulty To Discover, And Effectually To Distinguish, The True Motions Of Particular Bodies From The Apparent Because The Parts Of That Immovable Space, In Which Those Motions Are Performed, Do By No Means Come Under The Observation Of Our Senses.
I Do Not Love To Be Printed On Every Occasion, Much Less To Be Dunned And Teased By Foreigners About Mathematical Things Or To Be Thought By Our Own People To Be Trifling Away My Time About Them When I Should Be About The King's Business.
If A Projectile Were Deprived Of The Force Of Gravity, It Would Not Be Deflected Toward The Earth But Would Go Off In A Straight Line Into The Heavens And Do So With Uniform Motion, Provided That The Resistance Of The Air Were Removed.
In Experimental Philosophy, We Are To Look Upon Propositions Inferred By General Induction From Phenomena As Accurately Or Very Nearly True, Notwithstanding Any Contrary Hypotheses That May Be Imagined, Till Such Time As Other Phenomena Occur By Which They May Either Be Made More Accurate Or Liable To Exceptions.