I have concluded the evident existence of God, and that my existence depends entirely on God in all the moments of my life, that I do not think that the human spirit may know anything with greater evidence and certitude.

Neither divine grace nor natural knowledge ever diminishes freedom.

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

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."

Each problem that I solved became a rule, which served afterwards to solve other problems.

Just as we believe by faith that the greatest happiness of the next life consists simply in the contemplation of this divine majesty, likewise we experience that we derive the greatest joy of which we are capable in this life from the same contemplation, even though it is much less perfect.

... moral certainty is certainty which is sufficient to regulate our behaviour, or which measures up to the certainty we have on matters relating to the conduct of life which we never normally doubt, though we know that it is possible, absolutely speaking, that they may be false.