物理定律必须以独立于坐标系选择的方式表述。
We don't receive wisdom; we must discover it for ourselves after a journey that no one can take for us or spare us.
过去是跟随我们的影子，但也是指引我们前进的光。
对我们森林的最大威胁不是斧头，而是冷漠。
The universe we observe has precisely the properties we should expect if there is, at bottom, no design, no purpose, no evil, no good, nothing but blind, pitiless indifference.
In manufacturing, efficiency and environmental responsibility must go hand in hand.
事实是，我们都在受苦，但我们受苦的方式不同。
关于神，我无法知道他们是否存在。因为有许多阻碍我们认知的因素：问题的晦涩和人类生命的短暂。
He who can bear with your ignorance has found a true friend.