幸福的准则：有事做，有人爱，有所期待。

You have to believe in yourself, even when no one else does.

数学的研究对科学的发展就像空气或水一样。

"The past is always present, it's just that sometimes it's more present than at other times."

过去总是由现在构建的。

The weight of the material determines the form.

最好的故事来自内心。