It is your own assent to yourself, and the constant voice of your own reason, and not of others, that should make you believe.

Nothing is so conformable to reason as to disavow reason.

The origins of disputes between philosophers is, that one class of them have undertaken to raise man by displaying his greatness, and the other to debase him by showing his miseries.

The pagans do not know God, and love only the earth. The Jews know the true God, and love only the earth. The Christians know the true God, and do not love the earth.

Who can doubt that we exist only to love? Disguise it, in fact, as we will, we love without intermission... We live not a moment exempt from its influence.

It is man's natural sickness to believe that he possesses the Truth.

We have an idea of truth, invincible to all scepticism.