We don't inherit the earth from our ancestors; we borrow it from our children—this is especially true in forestry.

心智是一个计算器官的系统，通过自然选择设计来解决我们祖先在觅食生活方式中面临的各种问题。

In the beginning there was nothing, which exploded.

Competition regulates the rate of profit, and profit regulates the rate of accumulation.

艺术是无法言说之物的语言。