The true value of a mathematician lies in the problems they leave behind.
心理学唯一有效的数据是可观察的行为。
看待事的可贵处在于明理,处事的可贵处在于内心公平。
唯一真正的监狱是我们为自己建造的监狱。
Truth is the unconcealment of Being.
A little more persistence, a little more effort, and what seemed hopeless failure may turn to glorious success.