The existence of law is one thing; its merit or demerit is another.
法律的存在是一回事；其优劣是另一回事。
The state of nature has a law of nature to govern it, which obliges every one: and reason, which is that law, teaches all mankind, who will but consult it, that being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.
In the realm of algorithms, efficiency is not just a goal; it is a necessity.
写作是一种发现的行为。
Every problem in mathematics has a solution; it's just a matter of finding the right path.
一个人的价值不应该用他最坏的那天来衡量。