衰败的恶果，都是强盛时不知修持而积累来的。人老后的疾病，都因年轻时不知养生而落下的。

"The worst enemy of truth is not the lie—deliberate, contrived, and dishonest—but the myth—persistent, persuasive, and unrealistic."

如果我比别人看得更远，那是因为我站在巨人的肩上。

历史的重量是无法承受的，但我们必须承担它。

Growth happens outside your comfort zone.

The natural price of labor is that price which is necessary to enable the laborers, one with another, to subsist and to perpetuate their race, without either increase or diminution.