The historical sense involves a perception, not only of the pastness of the past, but of its presence.
Every tree we plant today is a promise to tomorrow.
质量从来不是偶然的，它始终是智慧努力的结果。
对意识的研究必须摆脱一切先入之见。
Find more pleasure in intelligent dissent than in passive agreement, for, if you value intelligence as you should, the former implies a deeper agreement than the latter.