A writer is selected by his subject—his subject being the consciousness of his own era.
The present state of the system of nature is evidently a resultant of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.
即使在坟墓里，一切也未必全失。
I don't like to compare myself to others. I just try to be the best I can be.
The study of mathematics is the indispensable basis for all intellectual and spiritual progress.
People, even more than things, have to be restored, renewed, revived, reclaimed, and redeemed;never throw out anyone.
Profit and sustainability are not mutually exclusive; they must go hand in hand.
从n对观测值的样本中获得的相关系数的可能误差是sqrt((1-r²)/(n-2))。
写作是一种希望的行为。
To create is to breathe life into silence.