You can't go back and change the beginning, but you can start where you are and change the endings.

The phrase 'nature and nurture' is a convenient jingle of words.

The greatest discovery of all time is that a person can change his future by merely changing his attitude.

To get the full value of joy you must have someone to divide it with.

Do more than you are being paid to do, and you'll eventually be paid more for what you do.

Imagination is the highest form of research.

Extraordinary claims require extraordinary evidence.