The true value of a forest is measured not in board feet, but in biodiversity.

Thinking is the hardest work there is, which is probably the reason why so few engage in it.

如果明智地使用，技术可以成为可持续森林管理的最大盟友。

"The past is a shadow that follows us, but it is the light ahead that guides us."

Think wrongly, if you please, but in all cases, think for yourself.

There is no history except as it is composed.