“In the middle of every difficulty lies opportunity.”

Imagination is more important than knowledge. For while knowledge defines all we currently know and understand, imagination points to all we might…

Logic will get you from A to B. Imagination will take you everywhere.

Once we accept our limits, we go beyond them.

I have no special talent. I am only passionately curious.

God always takes the simplest way.

I never think of the future. It comes soon enough.

Setting an example is not the main means of influencing another, it is the only means.

If A is success in life, then A equals x plus y plus z. Work is x; y is play; and z is keeping your mouth shut.