实现明天的唯一限制将是我们今天的疑虑。

"The best way to find out who you are is to get lost in a book."

The earth gives us its treasures, but it's our duty to give back more than we take.

The proletariat is the universal class, the class whose radical chains are capable of bursting asunder.

亲代投资是理解两性交配策略差异的关键。