The pursuit of knowledge in computer science is a journey through the landscape of logic and creativity.

The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

Civilization will not last, freedom will not survive, peace will not be kept, unless a very large majority of the people unite to defend them.

世界会打击每一个人，但经历过后，许多人会在受伤的地方变得更坚强。