The dogmas of the quiet past are inadequate to the stormy present. The occasion is piled high with difficulty, and we must rise with the occasion. As our case is new, so we must think anew and act anew.

One of the advantages of being disorderly is that one is constantly making exciting discoveries.

A developer is someone who wants to build a house in the woods. An environmentalist is someone who already has a house.

Let the beauty of what you love be what you do.

A disciplined mind leads to happiness, and an undisciplined mind leads to suffering.

Success is not about seeking constant external recognition; it's about finding fulfillment in the impact you have on the lives of others and the legacy you leave behind.

Theoretical physics is one of the few areas in which being disabled is not a handicap; it is all in the mind.