品格比恢复更容易保持。
Character is much easier kept than recovered.
The most exciting thing is when you suddenly see the solution to a problem that has been puzzling you for a long time.
预测未来的最好方式就是去创造它。
People of the same trade seldom meet together， even for merriment and diversion， but the conversation ends in a conspiracy against the public， or in some contrivance to raise prices.
心理学的任务是将复杂的心理现象还原为最简单的组成部分。