A person has two passions for love and abhorrence. A big disposition to excessiveness has just a love, because it is more ardent and stronger.

Variant: When it is not in our power to follow what is true, we ought to follow what is most probable.

So blind is the curiosity by which mortals are possessed, that they often conduct their minds along unexplored routes, having no reason to hope for success, but merely being willing to risk the experiment of finding whether the truth they seek lies there.

Whenever anyone has offended me, I try to raise my soul so high that the offense cannot reach it.

We call infinite that thing whose limits we have not perceived, and so by that word we do not signify what we understand about a thing, but rather what we do not understand.

It is possible that I am dreaming right now and that all of my perceptions are false.

I can doubt everything, except one thing, and that is the very fact that I doubt. Simply put - I think, therefore I am