No doubt, few people understand either the purely subjective nature of the phenomenon of love, or how it creates a supplementary person who is quite … - Marcel Proust

No doubt very few people understand the purely subjective nature of the phenomenon that we call love, or how it creates, so to speak, a supplementary person, distinct from the person whom the world knows by the same name, a person most of whose constituent elements are derived from ourselves.

...infirmity alone makes us take notice and learn, and enables us to analyse mechanisms of which otherwise we should know nothing. A man who falls straight into bed night after night, and ceases to live until the moment when he wakes and rises, will surely never dream of making, I don't say great discoveries, but even minor observations about sleep. He scarcely knows that he is asleep. A little insomnia is not without its value in making us appreciate sleep, in throwing a ray of light upon that darkness. An unfailing memory is not a very powerful incentive to the study of the phenomena of memory.

I have every useless thing in the world in my house there. The only thing wanting is the necessary thing, a great patch of open sky like this. Always try to keep a patch of sky above your life, little boy,” he added, turning to me. “You have a soul in you of rare quality, an artist’s nature; never let it starve for lack of what it needs.

As a man with imagination you can enjoy only in regret or in anticipation — that is, in the past or in the future.