Did you know that childhood is the only time in our lives when insanity is not only permitted to us, but expected?

When you fall in love, it is a temporary madness. It erupts like an earthquake, and then it subsides. And when it subsides, you have to make a decision. You have to work out whether your roots are become so entwined together that it is inconceivable that you should ever part.

...but then the general trouble with ignorance is always that the ignorant person has no idea that that's what they are. You can be ignorant and stupid and go through your whole life without ever encountering any evidence against the hypothesis that you're a genius.

Love itself is what is left over when being "in love" has burned away, and this is both an art and a fortunate accident.

Beauty is precious, you see, and the more beautiful something is, the more precious it is; and the more precious it is the more it hurts us that it will fade away; and the more we are hurt by beauty, the more we love the world.

Love is a kind of dementia with very precise and oft-repeated clinical symptoms. You blush in each other's presence, you both hover in places where you expect the other to pass, you are both a little tongue-tied, you both laugh inexplicably and too long, you become quite nauseatingly girlish, and he becomes quite ridiculously gallant. You have also grown a little stupid.

He gets into the habit of thinking so passionately at night that he begins to be persecuted by insomnia.