For, were it not good that evil things should also exist, the omnipotent God would almost certainly not allow evil to be, since beyond doubt it is just as easy for Him not to allow what He does not will, as for Him to do what He will.
Love all men, even your enemies; love them, not because they are your brothers, but that they may become your brothers. Thus you will ever burn with fraternal love, both for him who is already your brother and for your enemy, that he may by loving become your brother.
There is no remedy so powerful against the heat of concupiscence as the remembrance of our Savior's Passion. In all my difficulties I never found anything so efficacious as the wounds of Christ: In them I sleep secure; from them I derive new life.
The good Christian should beware the mathematician and all those who make empty prophecies. The danger already exists that the mathematicians have made a covenant with the devil to darken the spirit and to confine man in the bonds of hell.
So you see how endlessly futile and fruitless it would be if we wanted to refute their objections every time they obstinately resolved not to think through what they say but merely to speak, just so long as they contradict our arguments in any way they can.
How high a price we pay for the burden of habit! I am fitted for life here where I do not want to be, I want to live there but am unfit for it, and on both counts I am miserable.
Why persist in walking difficult and toilsome paths? There is no repose where you are seeking it. Search as you like, it is not where you are looking. You are seeking a happy life in the realm of death, and it will not be found there. How could life be happy where there is no life at all?