The Whole Of Science Is Nothing More

The Longing To Behold This Pre-established Harmony [of Phenomena And Theoretical Principles] Is The Source Of The Inexhaustible Patience And Perseverance With Which Planck Has Devoted Himself ... The State Of Mind Which Enables A Man To Do Work Of This Kind Is Akin To That Of The Religious Worshiper Or The Lover; The Daily Effort Comes From No Deliberate Intention Or Program, But Straight From The Heart.

(reply On What Constitutes Scientific Proof:)"the Question Is Much Too Difficult For Me.

This Topic Brings Me To That Worst Outcrop Of Herd Life, The Military System, Which I Abhor... This Plague-spot Of Civilization Ought To Be Abolished With All Possible Speed. Heroism On Command, Senseless Violence, And All The Loathsome Nonsense That Goes By The Name Of Patriotism -- How Passionately I Hate Them!

The Best Design Is The Simplest One That Works.

The Distinctions Separating The Social Classes Are False; In The Last Analysis They Rest On Force.