The pursuit of truth is an endless journey, not a destination.
没有比你自己设下的陷阱更致命的陷阱了。
The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
A Jewish man with parents alive is a fifteen-year-old boy, and will remain a fifteen-year-old boy until they die!
The poor don’t fail to save because they don’t want to—they can’t.