“I feel an indescribable ecstasy and delirium in melting, as it were, into the system of being, in identifying myself with the whole of nature..”

“To write a good love letter, you ought to begin without knowing what you mean to say, and to finish without knowing what you have written.”

“What good would it be to possess the whole universe if one were its only survivor?”

“In order not to find me in contradiction with myself, I should be allowed enough time to explain myself”

“So long as one remains in the same condition, the inclinations which result from habit and are the least natural to us can be kept; but as soon as the situation changes, habit ceases and the natural returns. Education is certainly only habit. Now are there not people who forget and lose their education? Others who keep it? Where does this difference come from? If the name nature were limited to habits conformable to nature, we would spare ourselves this garble!”

“I know the feelings of my heart, and I know men. I am not made like any of those I have seen; I venture to believe that I am not made like any of those who are in existence. If I am not better, at least I am different. Whether Nature has acted rightly or wrongly in destroying the mould in which she cast me, can only be decided after I have been read.”

“It is reason which breeds pride and reflection which fortifies it; reason which turns man inward into himself; reason which separates him from everything which troubles or affects him. It is philosophy which isolates a man, and prompts him to say in secret at the sight of another suffering: 'Perish if you will; I am safe.' No longer can anything but dangers to society in general disturb the tranquil sleep of the philosopher or drag him from his bed. A fellow-man may with impunity be murdered under his window, for the philosopher has only to put his hands over his ears and argue a little with himself to prevent nature, which rebels inside him, from making him identify himself with the victim of the murder. The savage man entirely lacks this admirable talent, and for want of wisdom and reason he always responds recklessly to the first promptings of human feeling.”