没有思想的自由，就没有真正的自由。

森林不属于我们——我们属于森林，我们的责任是保护它。

The past beats inside me like a second heart.

The true genius shudders at incompleteness — and usually prefers silence to saying something which is not everything it ought to be.

The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.

The true measure of success in farming is not just the yield, but the health of the soil and the community it supports.

We are all walking around with an evolutionary user's manual in our heads, but most people don't realize it.

永远不要低估一个积极进取的团队的力量——他们可以移山填海。