数学的美在于它能够用一种超越文化和语言障碍的语言来描述宇宙。
The beauty of mathematics lies in its ability to describe the universe in a language that transcends cultural and linguistic barriers.
We are all cut from the same genetic cloth, and that cloth was woven in Africa.
The past is never dead. It's not even past.
Old paint on canvas, as it ages, sometimes becomes transparent. When that happens it is possible, in some pictures, to see the original lines: a tree will show through a woman's dress, a child makes way for a dog, a large boat is no longer on an open sea. That is called pentimento because the painter 'repented,' changed his mind. Perhaps it would be as well to say that the old conception, replaced by a later choice, is a way of seeing and then seeing again.
Every story is a journey, and every journey changes the traveler.