A man's actions are determined by necessity, external and internal.
一个人的行为是由需要决定的，外在的和内在的。
-- Albert Einstein 爱因斯坦
A man's actions are determined by necessity, external and internal.
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A man's actions are determined by necessity, external and internal.
一个人的行为是由需要决定的，外在的和内在的。
-- Albert Einstein 爱因斯坦
