热情是每一家成功面包店的秘密配方。

I stand up for what I believe in and I don’t worry about what other people think.

The past is always tense, the future perfect.

He said that the world was made for men to fight in and that the worth of a thing was the worth of the fight for it.

Everything flows, everything changes, nothing remains.

代数是人类创造的一种智力工具，用于清晰地表达世界的数量关系。