我们学得越多,就越意识到我们不知道的还有很多。
Certification is the grammar of responsible forestry.
I don’t want to be put in a box.
To understand the universe, we must first understand ourselves.
有权势的天子,也未必尊贵;穷苦的平民,也未必低贱。贵贱的分别,在于行为的美恶。