It is the mark of an educated mind to be able to entertain a thought without accepting it.

Aristotle

Anger is one of the sinews of the soul.

Thomas Fuller

To find yourself, think for yourself.

Socrates

Los hombres buscan el descanso en la lucha contra las dificultades; y cuando los han conquistado, el descanso se vuelve insoportable.

Blaise Pascal

Kindness can become its own motive. We are made kind by being kind.

Eric Hoffer

We are by nature observers, and thereby learners. That is our permanent state.

Ralph Waldo Emerson