(there is) no other means of escaping from one's consciousness than to deny it, to look upon it as an organic disease of the terrestrial intelligence - a disease which we must endeavor to cure by an action which must appear to us an action of violent and willful madness, but which, on the other side of our appearances, is probably an action of health. ("Of Immortality")

Everything that God sends us is beautiful, even though we may not understand it - and we only need to give it some proper thought to see that what God gives is just sheer happiness; the suffering is what we add to it.

Human unhappiness is evidence of our immortality.

I swore that I would not suffer from the world's grief and the world's stupidity and cruelty and injustice and I made my heart as hard in endurance as the nether millstone and my mind as a polished surface of steel. I no longer suffered, but enjoyment had passed away from me.

Happiness, you see, its just an illusion of Fate, a heavenly sleight of hand designed to make you believe in fairy tales. But there's no happily ever after. You'll only find happy endings in books. Some books.

If there's to be damnation, she had said, let it be of my choosing, not theirs. He knew a little about damnation himself_ and he had an idea that the lessons, far from being done, were just beginning.