To travel is to discover that everybody is wrong. The philosophies, the civilizations which seem, at a distance, so superior to those current at home, all prove on a close inspection to be in their own way just as hopelessly imperfect.
In heterosexual love there's no solution. Man and woman are irreconcilable, and it's the doomed attempt to do the impossible, repeated in each new affair, that lends heterosexual love its grandeur.