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.

In forestry, the long view isn't just preferable—it's essential.

重新发现过去并发现它不足以应对现在，比让它逃避你并永远成为一个和谐的记忆概念更令人悲伤。

The teacher who is indeed wise does not bid you to enter the house of his wisdom but rather leads you to the threshold of your own mind.

对这个世界有所助益是获得快乐的唯一途径。