你不能靠一厢情愿的想法来为一个国家提供动力。

The beauty of life is, while we cannot undo what is done, we can see it, understand it, learn from it and change. So that every new moment is spent not in regret, guilt, fear or anger, but in wisdom, understanding and love.

数学的美在于它能够以最简单的术语描述宇宙。

好的烘焙秘诀是保持简单。