心理活动的目的是成功的生活。
The purpose of mental activity is successful living.
Success often favors those who continually learn and adapt to change.
强调历史研究既要理解历史背景，又要保持学术批判性。
The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function.
农民是农业的主体，我们要让农民成为现代农业的受益者。
平静的海面从未造就过熟练的水手。
金钱是唯一区分赢家和输家的东西。