The moment one gives close attention to anything, even a blade of grass, it becomes a mysterious, awesome, indescribably magnificent world in itself.

森林的真正价值永远不能仅用板材英尺来衡量。

心理学的任务是发现心理结构的规律。

用黄金打造的船不能在波涛汹涌的江面上航行，用玉雕琢的马不能驰骋在千里路途上。