对自己温柔点，你已经在尽力了。

The greatest gift you can give someone is your time.

革命是无情的，不仅对那些落后的人，而且对那些跑在前面的人。

There is nothing which I dread so much as a division of the republic into two great parties, each arranged under its leader, and concerting measures in opposition to each other.

什么是离婚的主要原因？结婚。

反应倾向的强度取决于所接受的强化量。