“ The optimist thinks this is the best of all possible worlds. The pessimist fears it is true. 乐观主义者认为这是所有可能的世界中最好的。悲观主义者担心这是真的。 J. Robert Oppenheimer 奥本海默
“ Liberality consists less in giving a great deal than in gifts well-timed. 慷慨不在于给予得多,而在于送得及时。 Jean de La Bruyere 布吕耶尔
“ We can't learn anything new focused on what we think we know. 我们不能从我们自认为知道的东西中学到任何新的东西。 Cheri Huber 切丽·胡伯