真相总是复杂的,而且很少是纯粹的。
Life is constantly letting go, but the biggest regret is that we don't have time to say goodbye properly.
选自汉·桓宽《盐铁论·申韩》。从事治学的人,需要广泛的阅读,并且需要从中吸取正确、有用的内容。