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No arts; no letters; no society; and which is worst of all, continual fear, and danger of violent death; and the life of man, solitary, poor, nasty, brutish, and short.

自然界沒有廢物——每樣東西都是其他事物的養分。

The secret of change is to focus all of your energy not on fighting the old, but on building the new.

權威僅是影響行為的眾多方式之一。過度強調權威會掩蓋其他可能性。

地球上唯一偉大的是人，人身上唯一偉大的是心靈。