Why do we use three very different words, all with Latin roots, for the same thing—reincarnation, transmigration, metempsychosis? Perhaps we used to use one word, but it died and came back as another, and another . . .
The degree of one's humility should be directly proportional to the enormity of one's subject.
The Holocaust, for example, is best approached as humbly as possible, in order to avoid hubris; a meal with a friend, on the other hand, is best approached daringly and ambitiously, to avoid commonplaceness.