Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.
God is subtle but he is not malicious.
I am enough of an artist to draw freely upon my imagination. Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.
Whoever undertakes to set himself up as judge in the field of truth and knowledge is shipwrecked by the laughter of the Gods.
I know quite certainly that I myself have no special talent; curiosity, obsession and dogged endurance, combined with self-criticism, have brought me to my ideas.
Imagination is everything. It is the preview of life's coming attractions.
Once we accept our limits, we go beyond them.
You never fail until you stop trying.
It is harder to crack prejudice than an atom.
Only those who attempt the absurd can achieve the impossible.
The tragedy of life is what dies inside a man while he lives.
It occurred to me by intuition, and music was the driving force behind that intuition. My discovery was the result of musical perception.
Small is the number of them that see with their own eyes and feel with their own hearts.
I must be willing to give up what I am in order to become what I will be.
Adversity introduces a man to himself.