- Imagination is more important than knowledge.
- A person starts to live when he can live outside himself.
- Anyone who has never made a mistake has never tried anything new.
- Great spirits have often encountered violent opposition from weak minds.
- The important thing is not to stop questioning. Curiosity has its own reason for existing.
- A man should look for what is, and not for what he thinks should be.
- Anger dwells only in the bosom of fools.
- Logic will get you from A to Z; imagination will get you everywhere.
- Not everything that counts can be counted, and not everything that can be counted counts.
- Strive not to be a success, but rather to be of value.
- If you can’t explain it to a six year old, you don’t understand it yourself.
- Insanity is doing the same thing, over and over again, but expecting different results.
- The difference between stupidity and genius is that genius has its limits.
- I speak to everyone in the same way, whether he is the garbage man or the president of the university.