“When we are in love we often doubt that which we most believe.”

We get so much in the habit of wearing disguises before others that we finally appear disguised before ourselves.

Not all those who know their minds know their hearts as well.

However rare true love may be, it is less so than true friendship.

The mind cannot long play the heart’s role.

We only confess our little faults to persuade people that we have no big ones.

Before we set our hearts too much upon anything, let us examine how happy they are, who already possess it.

Nothing is so contagious as example; and we never do any great good or evil which does not produce its like.

We only acknowledge small faults in order to make it appear that we are free from great ones.

Perfect valour consists in doing without witnesses that which we would be capable of doing before everyone.

Virtue would go far if vanity did not keep it company.

We seldom find any person of good sense, except those who share our opinions.

How can we expect another to keep our secret if we have been unable to keep it ourselves?

Though men are apt to flatter and exalt themselves with their great achievements, yet these are, in truth, very often owing not so much to design as chance.

We pardon to the extent that we love.

Those who are incapable of committing great crimes do not readily suspect them in others.

There are various sorts of curiosity; one is from interest, which makes us desire to know that which may be useful to us; and the other, from pride which comes from the wish to know what others are ignorant of.

When you start doubting, your mind will start to believe that you will never succeed.

If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things.

The dreams we imagine when we are asleep should not in any way make us doubt the truth of the thoughts we have when we are awake.

The first precept was never to accept a thing as true until I knew it as such without a single doubt

For I found myself embarrassed with so many doubts and errors that it seemed to me that the effort to instruct myself had no effect other than the increasing discovery of my own ignorance

Will you tell yourself it’s not true, when those around you all doubt? Will you believe in the power? Cast your net, pay your debt and to yourself be devout.

I doubt, therefore I think, therefore I am.

But what then am I? A thing that thinks. What is that? A thing that doubts, understand, affirms, denies, wills, refuses, and that also imagines and senses.