The truth is not always the easiest thing to believe.

最伟大的定理往往来自于对显而易见之事的质疑。

The market is a pendulum that forever swings between unsustainable optimism (which makes stocks too expensive) and unjustified pessimism (which makes them too cheap). The intelligent investor is a realist who sells to optimists and buys from pessimists.

法律与道德的区别是法律哲学中的一个基本问题。

林业的未来在于平衡经济需求与生态责任。

解释：伟大而不骄傲，勤劳而不自夸有功。