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Time is a slippery thing: lose hold of it once, and its string might sail out of your hands forever.

The individual has become a mere cog in an enormous organization of things and powers which tear from his hands all progress, spirituality, and value in order to transform them from their subjective form into the form of a purely objective life.

Duty is the most sublime word in our language. Do your duty in all things. You cannot do more. You should never wish to do less.

The only way to get rid of a temptation is to yield to it.

衡量森林價值的真正標準不是木材的板英尺數，而是幾個世紀的生態平衡。

偵查的藝術不在于看到可見之物，而在于察覺無形之物。

What we know is not much. What we do not know is immense.