我对超自然存在的想法，就像我对数学的想法一样产生。因此我认真对待它们。
The ideas I had about supernatural beings came to me the same way that my mathematical ideas did. So I took them seriously.
I’m not a role model, I’m just me.
Nature never deceives us； it is always we who deceive ourselves.
如果你继续寻找幸福是由什么组成的，你永远不会幸福。如果你在寻找生命的意义，你就不会真正地活着。
我们在林业方面成功的真正衡量标准是我们为子孙后代留下的东西，而不仅仅是我们的季度报告。