We are what we repeatedly do. Excellence, then, is not an act, but a habit.

Don't waste life in doubts and fears; spend yourself on the work before you, well assured that the right performance of this hour's duties will be the best preparation for the hours or ages that follow it.

Imagination is more improtant than knowledge. Knowledge is limited. Imagination encircles the world.

The future belongs to those who believe in the beauty of their dreams.