Everything that happens once can never happen again. But everything that happens twice will surely happen a third time.
快乐是最高的善,我们追求快乐,避免痛苦。
是人类而非自然发起行动,但自然在很大程度上控制着结果。
这个世界惟有两样东西让我们的心灵感到深深的震撼,一是我们头顶上灿烂的星空,一是我们内心崇高的道德法则。
The only way of discovering the limits of the possible is to venture a little way past them into the impossible.
The database is the most important piece of software in the enterprise.