The worst prison is not the one with walls and bars, but the one in our minds.
The creative process is messy. That's why my sketches look the way they do.
离散数学与计算机科学之间的相互作用一直是创新和发现的沃土。
A wise man said: before you speak， let your words pass through three gates. At the first gate， ask yourself， "Is it true？" At the second gate， ask "Is it necessary？" At the third gate， ask， "Is it kind？"
Money is concerned only with what is common to all: it asks for the exchange value, it reduces all quality and individuality to the question: How much?
