The Environment Is Everything That Isn't Me.

A Man's Moral Worth Is Not Measured By What His Religious Beliefs Are But Rather By What Emotional Impulses He Has Received From Nature During His Lifetime.

I Live My Daydreams In Music.

It Is Important To Foster Individuality, For Only The Individual Can Produce The New Ideas.

Heroism On Command, Senseless Violence, And All The Loathsome Nonsense That Goes By The Name Of Patriotism - How Passionately I Hate Them!

However We Select From Nature A Complex [of Phenomena] Using The Criterion Of Simplicity, In No Case Will Its Theoretical Treatment Turn Out To Be Forever Appropriate (sufficient).... I Do Not Doubt That The Day Will Come When [general Relativity], Too, Will Have To Yield To Another One, For Reasons Which At Present We Do Not Yet Surmise. I Believe That This Process Of Deepening Theory Has No Limits.