Man is not logical and his intellectual history is a record of mental reserves and compromises. He hangs on to what he can in his old beliefs even when he is compelled to surrender their logical basis.

你必须愿意失败，愿意犯错，愿意带着学到的教训重新开始。

道是神奇非凡的存在，灵妙而有本性，虚无而没有形象，无法预测其来去，也无法追寻其踪迹，不知其所以然而自然如此。