Facts do not speak for themselves. They speak for or against competing theories. Facts divorced from theories or visions are mere isolated curiosities.

爱并不总是关于坚持；有时，它是关于放手。

"Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding."

The world is a place of the living, and the dead have no place in it. The dead are nothing.

释义：一切真理与事物的本质，皆与内心相通。