As he did so, he reflected that, since pity for suffering was one of the most elementary forms of egotism, he ought to have remembered that it was necessarily one of the most tenacious.

在这样做的同时，他想到，既然对苦难的怜悯是最基本的自负形式之一，他应该记住它必然是最顽固的自负形式之一。