To know is nothing at all; to imagine is everything.
The most dangerous kind of waste is the waste we do not recognize.
外表不端正，是因为没有培养好德行；内心不精诚，是因为没有修治好心灵；端正外表、修养德性，才能了解万物。
The artist must be in his work as God is in creation, invisible and all-powerful.
理论计算机科学不仅仅是关于算法和数据结构；它是关于理解计算的基本限制。