The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
You can't please everyone, so just be yourself.
To be a good mathematician, you need to have both intuition and rigor.
"I think the best way to get respect is to earn it."
Silence is argument carried out by other means.
Being something and doing something that no one had done before are two different things.
有两种公司,一种是努力尝试收费更多的公司,另一种是努力尝试收费更少的公司。我们将是第二种。