If you can't explain it simply, you don't understand it well enough.
The environment is everything that isn't me.
Before God we are all equally wise - and equally foolish.
Politics is for the present, but an equation is for eternity.
One may say the eternal mystery of the world is its comprehensibility.
I have just got a new theory of eternity.
Let every man be respected as an individual and no man idolized.
The whole of science is nothing more than a refinement of everyday thinking.
Logic will get you from A to B. Imagination will take you everywhere.
The only source of knowledge is experience.
It should be possible to explain the laws of physics to a barmaid.
Few are those who see with their own eyes and feel with their own hearts.
God always takes the simplest way.
Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
The faster you go, the shorter you are.
Isn't it strange that I who have written only unpopular books should be such a popular fellow?
To the Master's honor all must turn, each in its track, without a sound, forever tracing Newton's ground.
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.
I never think of the future - it comes soon enough.
Sometimes one pays most for the things one gets for nothing.
