"The boundary between the quantum and classical worlds is not as clear as we once thought."

可持续性不是一种选择，而是我们对后代的责任。

The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.

"Writing is a way of saying to the world, 'I exist, and I have something to say.'"