The past is a ghost, the future a dream, and the present a fleeting moment.

The universe is not only stranger than we imagine, it is stranger than we can imagine.

译文：不要因为很小的善事就不去做，也不要因为很小的恶事就去做。赏析：善事虽小，时间久了能提高人的品质。恶事虽小，但时间久了就会败坏人的品行。

The difference between theory and practice is that in theory, there is no difference between theory and practice, but in practice, there is.