Once we accept our limits, we go beyond them.
It is the supreme art of the teacher to awaken joy in creative expression and knowledge.
Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.
A person who never made a mistake never tried anything new.
If you can’t explain it simply, you don’t understand it well enough.
It has become appallingly obvious that our technology has exceeded our humanity.
Logic will get you from A to B. Imagination will take you everywhere.
The only source of knowledge is experience.
It’s not that I’m so smart, it’s just that I stay with problems longer.
Insanity: doing the same thing over and over again and expecting different results.