成功不是终点，失败也不是致命的：重要的是继续前进的勇气。
Success is not final, failure is not fatal: It is the courage to continue that counts.
To understand the present, we must understand the past.
自由是做法律允许的事情的权利。
Adapting old programs to fit new machines usually means adapting new machines to behave like old ones.
I always try to buy stocks that are undervalued and sell them when they become overvalued.
麋鹿成群结队，虎豹都要躲避它们；飞鸟列队成行，鹰鹫不敢袭击它们；众人聚在一起，圣人不敢冒犯它们。点评：俗话说「众人拾柴火焰高」众人合力做一件事情，就会显现力量。
I think the only free man can feel this kind of excitement, a free man step on a long journey, towards the uncertain future.