计算的本质不仅在于符号的操作，更在于对这些操作所代表意义的深刻理解。
The essence of computation is not just in the manipulation of symbols, but in the profound understanding of what those manipulations represent.
写作是对抗死亡的唯一方式。
It seems to me that if you or I must choose between two courses of thought or action, we should remember our dying and try so to live that our death brings no pleasure to the world.
永远不要低估一支小而专注的团队改变世界的力量。