计算的目的是洞察，而不是数字。
The difference between ordinary and extraordinary is that little extra.
Every reader is a potential writer, and every writer is a reader in revolt.
我的生命是有限的，而知识是无限的。用有限的生命去追求无限的知识，是很危险的！
The obligation of subjects to the sovereign is understood to last as long, and no longer, than the power lasteth by which he is able to protect them.