The sole meaning of life is to serve humanity.

我坚信努力工作和奉献会有回报。

I'd get this good feeling about all the things that I could be. And then I never became any of them.

译文：巧妙的如同车辕，笨拙的如同风筝。比喻各有其用。

大多数人的问题在于他们用希望、恐惧或愿望思考，而不是用头脑。