People who treat other people as less than human must not be surprised when the bread they have cast on the waters comes floating back to them, poisoned.
Pessimists are the people who have no hope for themselves or for others. Pessimists are also people who think the human race is beneath their notice, that they're better than other human beings.
The face of a lover is an unknown, precisely because it is invested with so much of oneself. It is a mystery, containing, like all mysteries, the possibility of torment.