The true sign of intelligence is not knowledge but imagination.
Weakness of attitude becomes weakness of character.
Memory is deceptive because it is colored by today’s events.
Love is a better teacher than duty.
We cannot solve our problems with the same thinking we used when we created them.
I have no special talent. I am only passionately curious.
Try not to become a man of success, but rather try to become a man of value.
A person who never made a mistake never tried anything new.