在计算机周围，很难找到正确的时间单位来衡量进度。一些大教堂花了一个世纪完成。您能想象一个程序需要花费这么长时间吗？

Sometimes you put walls up not to keep people out，but to see who cares enough to break them down.

Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.

理性是冰冷的太阳，它给予光明却不给予温暖。