I always like to look on the optimistic side of life, but I am realistic enough to know life is a complex matter.
The absence of alternatives clears the mind marvelously.
Surround yourself with people who challenge you, not just those who agree with you.
活着就是受苦,生存就是在苦难中找到一些意义。
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
可持续性不是选择,而是我们对后代的责任。
"The connection between mathematics and computer science is not just a one-way street; each field enriches the other."