Agriculture is the foundation of civilization, and we must treat it with the respect it deserves.
如果你认为你理解了量子力学,那么你并没有真正理解量子力学。
The founders of a new colony, whatever Utopia of human virtue and happiness they might originally project, have invariably recognized it among their earliest practical necessities to allot a portion of the virgin soil as a cemetery, and another portion as the site of a prison.
In a world of rapid change, adaptability is the ultimate competitive advantage.
The function of freedom is to free someone else.