我只是想每天变得更好。

一个领导者如果不愿意偶尔独自站立，就不配拥有这个称号。

"In observational studies, we often have to rely on assumptions that are not directly testable."

Fate and temperament are two names for the same concept.

现在数学家面临的最大问题可能是黎曼假设。

我爱你，不是因为你是一个怎样的人，而是因为我喜欢与你在一起时的感觉。

You cannot swim for new horizons until you have courage to lose sight of the shore.