Set a goal so big that you can’t achieve it until you grow into the person who can.
设定一个目标大到超过你目前能力，直到你成长为能实现它的那个人。

Many of the great achievements of the world were accomplished by tired and discouraged men who kept on working.
世界上许多伟大的成就，都是由那些疲惫不堪和饱受挫折，但毅然继续努力的人们完成的。

The best achievement in life is doing something you think you can’t do.
人生最大的成就，就是去做成你认为自己做不到的事情。