The study of the mind must be based on direct observation.
制革厂的废物流比任何使命宣言都更清晰地讲述其道德故事。
优雅的沉默比空洞的言语更能打动人心。
Patience is the key to successful investing.
The essence of being human is that one does not seek perfection.
The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.