The supreme quality for leadership is unquestionably integrity. Without it, no real success is possible, no matter whether it is on a section gang, a football field, in an army, or in an office.

Science, like art, is not a copy of nature but a re-creation of her.

To live a pure unselfish life, one must count nothing as one's own in the midst of abundance.

There is no easy walk to freedom anywhere, and many of us will have to pass through the valley of the shadow of death again and again before we reach the mountaintop of our desires.

Everything you can imagine is real.

He who steals a little steals with the same wish as he who steals much, but with less power.