Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
When you are courting a nice girl an hour seems like a second. When you sit on a red hot cinder a second seems like an hour. That’s relativity.
Everything that can be counted does not necessarily count: everything that counts cannot necessarily be counted.
Make everything as simple as Possible, but not simpler.
Anger dwells only in the bosom of fools.
I have no special talent. I am only passionately curious.
Nationalism is an infantile disease. It is the measles of mankind.
Logic will get you from A to B. Imagination will take you everywhere.
The difference between stupidity and genius is that genius is that has its limits.
Great spirits have always encountered violent opposition from mediocre minds.
Before God we are all equally wise - and equally foolish.
Education is what remains after one has forgotten what one has learned in school.
If you can’t explain it simply, you don’t understand it well enough.
No problem can be solved from the same level of consciousness that created it.
Imagination is more important than knowledge.