Source of great elation and joy

"It is not, then, true that love shows the rationalist-humanist approach to be misguided. Rather, it exemplifies the limits of human powers to understand and master life, which any adequate humanist account of the meaning of existence must accept. But it also shows something profound to which humanism can make claim. Love is not immortal or invincible. Sadly, it is not true that all you need is love. Love, like life, is valuable, but fragile and subject to no guarantees. It is fraught with risk and disappointment, as well as being the source of great elation and joy."