Collaboration is the root system of progress in sustainable forestry.

物种之间的边界比我们想象的更具渗透性。

统治者的暴政和群众的暴政同样令人生畏。

Who can afford to do professional work for nothing?

The mathematician's patterns, like the painter's or the poet's, must be beautiful; the ideas, like the colors or the words, must fit together in a harmonious way.