永远保持节俭，除非是为了自己的热情。
Be frugal in all things， except in your passions splurge.
Life is a slope.As long as you're going up you're always looking towards the top and you feel happy, but when you reach it, suddenly you can see the road going downhill and death at the end of it all. It's slow going up and quick going down.
The past is a foreign country; they do things differently there.
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。
The real problem is not whether machines think but whether men do.
A good novel tells us the truth about its characters; a great novel tells us the truth about ourselves.