Man is not only a product of nature but also its transformer, often with irreversible consequences.
人类不仅是自然的产物，也是自然的改造者，常常带来不可逆转的后果。
Sustainability is not an option; it's a responsibility we owe to future generations.
The best way to predict the future is to create it.
生活中最重要的事情是能够自由地做你想做的事。