Our ideas of what we believe to be, are not of what they are, but only of what they seem to be.
The true measure of success in forestry is leaving the land healthier than we found it.
最伟大的定理往往始于简单的猜想,源于直觉。
I'm not perfect, but I'm trying every day.
美是时间唯一无法伤害的东西。