We must recognize the eloquence of our passions and refuse to be taken in. Instead of saying, 'That false friend always did despise me,' say: 'In my present state of agitation, I can't see clearly, I can't judge clearly; I am only a tragic actor who is declaiming for his own ears.' Then you will see the lights in the theater go out for lack of an audience, and the brilliant sets will be nothing more than painted cardboard.

Every idea I get I have to deny, that's my way of testing it.

People who are upset about something ruminate on it whenever they get a chance; they are constantly drawn back to their own unhappy tale as if it were a horror story left open on a table.

Wouldn't a sailor laugh at you if you told him that the whole crossing depends on the first turn of the helm?

To think is to say 'no.'

Profound sadness is always the result of an unhealthy condition of the body. ... We [should] say, 'I am sad; everything looks black to me; but external events are in no way responsible. It's my body that insists on reasoning. These are the opinions of my stomach.'

I have only one thing to say to the melancholy man: 'Look into the distance.' ... When you look at the stars or the ocean's expanse, your eye is completely relaxed; once your eye is relaxed, your mind is unfettered.