The past is a place of reference, not a place of residence.
有时候你做了所有正确的事情，事情仍然会出错。关键是要永远不要停止做正确的事情。
革命不是熟透的苹果，自己掉下来。你必须让它掉下来。
Most people overestimate what they can do in one year and underestimate what they can do in ten years.
If you are looking for something in your house， and you finally find it， when you’re done with it， don’t put it back where you found it. Put it back where you first looked for it.