The most venerable, clearly understood, enlightened, and reliable constant in the world is not only that we want to be happy, but that we want only to be so. Our very nature requires it of us.
In no passage of the holy canonical books there can be found either divine precept or permission to take away our own life, whether for the sake of entering on the enjoyment of immortality, or of shunning, or ridding ourselves of anything whatever. Nay, the law, rightly interpreted, even prohibits suicide, where it says, 'Thou shalt not kill.' This is proved especially by the omission of the words "thy neighbor," which are inserted when false witness is forbidden.
The mind commands the body and is instantly obeyed. The mind commands itself and meets resistance. The mind commands the hand to move, and it so easy that one hardly distinguishes the order from its execution. Yet mind is mind and hand is body. The mind orders the mind to will. The recipient of the order is itself, yet it does not perform it.
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.
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.
The way to Christ is first through humility, second through humility, and third through humility. If humility does not precede and accompany and follow every good work we do, if it is not before us to focus on, it it is not beside us to lean upon, if it is not behind us to fence us in, pride will wrench from our hand any good deed we do at the very moment we do it.