Success is stumbling from failure to failure with no loss of enthusiasm.

投资管理的本质是风险管理，而不是回报管理。

The act of writing is an act of optimism. You wouldn't take the trouble to do it if you felt it didn't matter.

煤炭行业不仅仅是挖掘岩石；它是推动进步和维持社区的力量。