你在训练中流的汗越多，在战斗中流的血就越少。

讨论学问要看其人的品行，讨论政治要考察当时的形势

The real opposition is that between the ego-bound man, whose existence is structured by the principle of having, and the free man, whose existence is structured by the principle of being.

你必须愿意为无物而快乐。