数学是人类精神最美丽和最强大的创造。
Mathematics is the most beautiful and most powerful creation of the human spirit.
战场交锋，即使列阵有方，但以勇猛为本；操办丧事，即使礼节周全，但以哀痛为本；文人学士，即使学富五车，但以德行为本
我在正确的轨道上，宝贝，我生来如此。
宇宙不仅比我们想象的更奇怪，它比我们能想象的还要奇怪。
The teacher is not in school to impose certain ideas or to form certain habits in the child, but is there as a member of the community to select the influences which shall affect the child and to assist him in properly responding to those influences.
傍晚是一天中光线最美的时候，但也是光线开始消逝的时候。
Any sufficiently advanced technology is indistinguishable from magic.
