Modern forestry must balance three axes: ecology, economy and ethics.

Humans are allergic to change. They love to say, 'We've always done it this way.' I try to fight that. That's why I have a clock on my wall that runs counter-clockwise.

The past is what you remember, imagine you remember, convince yourself you remember, or pretend you remember.

The best mathematics is that which you do not understand at first glance.

我不是那种会让对竞争的爱减少的人。