We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light.

解析：自然的法则，是损减有余来补充不足；人类社会世俗的作法却不然，而是损减贫穷不足来供奉富贵有余。

The boundary between inside and outside is not a line, but a gradient.

CLEANLINESS. Tolerate no uncleanliness in body, cloaths, or habitation.

解释：不谦让， 就会不团结; 不团结， 就不可以出师远征。