We believe in ordinary acts of bravery, in the courage that drives one person to stand up for another.

In science, the credit goes to the man who convinces the world, not to the man to whom the idea first occurs.

The truth is, the science of Nature has been already too long made only a work of the brain and the fancy: It is now high time that it should return to the plainness and soundness of observations on material and obvious things.

The desire for recognition, the thymotic part of the soul, is the most politically dangerous part of human nature.

真相很少是纯粹的，也从不简单。

"Las historias de fantasmas son, en el fondo, historias sobre la memoria y lo que no queremos olvidar."

学习应使人感到快乐，否则不能称之为真正的学习。