可持续林业不是成本，而是对韧性的投资。
Sustainable forestry is not a cost—it’s an investment in resilience.
墙壁定义了空间，但开口将其与世界连接。
学习是系统中产生的任何变化，这种变化或多或少会永久性地改变其适应环境的能力。
Enduring peace cannot be bought at the cost of other people's freedom.
The world is not a problem to be solved; it is a living being to which we belong.
物理学的语言是数学，但其意义是哲学。