One might think that the money value of an invention constitutes its reward to the man who loves his work. But... I continue to find my greatest pleasure, and so my reward, in the work that precedes what the world calls success.

Trees are the earth's endless effort to speak to the listening heaven.

Man's nature is not essentially evil. Brute nature has been known to yield to the influence of love. You must never despair of human nature.

The Bush Administration's failure to be consistently involved in helping Israel achieve peace with the Palestinians has been both wrong for our friendship with Israel, as well as badly damaging to our standing in the Arab world.

When an idea exclusively occupies the mind, it is transformed into an actual physical or mental state.

In a gentle way, you can shake the world.

Religion is a matter between the man and his Maker. 

This is no time for ease and comfort. It is time to dare and endure.

 If there is any one secret of success, it lies in the ability to get the other person's point of view and see things from that person's angle as well as from your own. 

Political tyranny is nothing compared to the social tyranny and a reformer who defined society is a more courageous man than a politician who defies Government.

Nothing is more destructive of respect for the government and the law of the land than passing laws which cannot be enforced. 

The power of an air force is terrific when there is nothing to oppose it.