Albert Einstein: There are only two ways to live your life. One is as though nothing is a miracle. The other is as though everything is a miracle. 

Albert Schweitzer: Example is not the main thing in influencing others. It is the only thing.

Margaret Thatcher: If you set out to be liked, you would be prepared to compromise on anything at any time, and you would achieve nothing.

Theodore Roosevelt: The best executive is one who has sense enough to pick good people to do what he wants done, and self-restraint enough to keep from meddling with them while they do it.

Helen Keller: The best and most beautiful things in life cannot be seen or even touched; they must be felt with the heart.