It is best not to go on for great quest for truth , it will only make you miserable

Be that as it may, there is fixed in my mind a certain opinion of long standing, namely that there exists a God who is able to do anything and by whom I, such as I am, have been created. How do I know that he did not bring it about that there is no earth at all, no heavens, no extended thing, no shape, no size, no place, and yet bringing it about that all these things appear to me to exist precisely as they do now?

Whatever I have up till now accepted as most true and assured I have gotten either from the senses or through the senses. But from time to time I have found that the senses deceive, and it is prudent never to trust completely those who have deceived us even once.

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.

I am indeed amazed when I consider how weak my mind is and how prone to error.

Common sense is the most widely shared commodity in the world, for every man is convinced that he is well supplied with it.

It's the familiar love-hate syndrome of seduction: "I don't really care what it is I say, I care only that you like it."