The boy and his heart had become friends, and neither was capable now of betraying the other.

我认为，即使不喜欢现实，也应该承认现实；事实上，尤其是在不喜欢现实的时候。

唯一能让你伟大的是你自己的热情。

理论与观测之间的相互作用推动了天体物理学的发展。

You can't go back and change the beginning, but you can start where you are and change the ending.

There is nothing eternal in us.

在数学中，旅程和目的地同样重要，因为正是通过发现的过程，我们才能真正学习。