Love is that condition in which the happiness of another person is essential to your own.
Robert A. Heinlein
They say a person needs just three things to be truly happy in this world: someone to love, something to do, and something to hope for.
Tom Bodett
It is not that I'm so smart. But I stay with the questions much longer.
Albert Einstein
The measure of intelligence is the ability to change.
Knowing yourself is the beginning of all wisdom.
Aristotle
A wise man gets more use from his enemies than a fool from his friends.
Baltasar Gracián
