Writing is a way of saying I exist.

The whole problem with the world is that fools and fanatics are always so certain of themselves， and wiser people so full of doubts.

健康才是真正的财富，而不是金银。

永远不要停止学习；世界在不断发展，我们也应该如此。

眼睛不能同时看清楚两样东西，耳朵不能同时听清楚两种声音。