No good ever becomes of a man who forgets an old friend

I was lying, but I wanted to rouse him. I have an inborn urge to contradict; my whole life has been a mere chain of sad and futile opposition to the dictates of either heart or reason. The presence of an enthusiast makes me as cold as a midwinter's day, and, I believe, frequent association with a listless phlegmatic would make me an impassioned dreamer.

It is sad to see a young man's fondest hopes and dreams shattered when the rose-colured veil is plucked away and he sees the actions and feelings of men for what they are. But he still has the hope of replacing his old illusions with others, just as fleeting, but also just as sweet.

The history of a man's soul, even the pettiest soul, is hardly less interesting and useful than the history of a whole people; especially when the former is the result of the observations of a mature mind upon itself, and has been written without any egotistical desire of arousing sympathy or astonishment. Rousseau's Confessions has precisely this defect – he read it to his friends.

Women only love those that they don’t know.

my love had grown one with my soul; it became darker, but did not go out

We survive on novelty, so much less demanding than commitment.