如果你感到自己已经很完美了，那么你永远不会达到你本可以达到的高度。
If you are under the impression you have already perfected yourself， you will never rise to the heights you are no doubt capable of.
"The hardest part of being a machine is pretending to be human."
We are what we pretend to be, so we must be careful about what we pretend to be.
向高处攀登的奋斗本身足以充实一个人的心灵。必须想象西西弗斯是幸福的。
You are never too old to set another goal or to dream a new dream.