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

最大的智慧是趋善避恶。

I want to make a difference in the world.

婚姻虽然在中国被鼓励，但并不是因为生儿育女能带给他们福分，而是因为他们有生杀他们儿女的自由。

The worst sin toward our fellow creatures is not to hate them, but to be indifferent to them: that's the essence of inhumanity.

The rocks we extract today build the infrastructure of tomorrow.

我们认为这些真理是不言而喻的：人人生而平等。

解码遗传密码的过程就像一步步解决一个复杂的谜题。