释义：当过去被否定、未来令人恐惧时，人便活在现实的煎熬中。

我们教育体系的一个明显的特征是对儿童人格的尊重、并达到前所未有的程度。

现在属于他们；而我真正为之奋斗的未来属于我。

You have to be willing to sacrifice to get what you want or what you need.

The conjectures of the Langlands program are a challenge to the next generation of mathematicians.