一个命题的证明是一种性质使得我们相信该命题的过程。
A proof of a proposition is a process the nature of which is such as to produce in us a belief in that proposition.
Don't let the noise of others' opinions drown out your own inner voice.
As Will Rogers would have said, "There is no such thing as a free variable."
Efficiency without sustainability is just a short-term win; true progress is measured in long-term impact.
Love is the only thing that can fill the emptiness of existence.
