知识的最大敌人不是无知，而是知识的幻觉。

幸福不是相信我们不需要改变；而是意识到我们可以改变。

Man's main task in life is to give birth to himself, to become what he potentially is. The most important product of his effort is his own personality.

知识的最大敌人不是无知，而是知识的幻觉。