The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.

最可持续的采伐是让森林比我们发现时更健康。

The true investor scarcely ever is forced to sell his shares, and at all other times he is free to disregard the current price quotation.

坚持很重要， 永远不要放弃，除非不得已。