创新不是发明全新的东西，而是改进已经存在的东西。

If you want to get smart, the question you have to keep asking is 'why, why, why?'

Experimentation is the key to discovering new possibilities.

【解释】不是自己分内应享受的幸福，无缘无故得到意外之财，即便不是上天的诱饵，也是诈骗的陷阱，不睁大眼睛，就会落入圈套中。