It is so hard to believe because it is so hard to obey.

The key to successful investing is to have a clear understanding of the risks and rewards and a disciplined approach.

译文：性只有一个：从它的形体方面来说叫做天，从它的主宰方面来说叫做帝，从它的流行方面来说叫做命，赋予人叫做性，在人身上起主导作用叫做心。

We Irish are too poetical to be poets; we are a nation of brilliant failures, but we are the greatest talkers since the Greeks.