家不是你出生的地方;家是你所有逃离的尝试停止的地方。
「人生就只活这么一次。」「错,我们一生只死一次,剩馀的每天都在生活。」
The best performance improvement is the transition from the nonworking state to the working state.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.