He [Aristotle] pointed out that people who had become initiates in the various mystery religions were not required to learn any facts 'but to experience certain emotions and to be put in a certain disposition.' Hence his famous literary theory that tragedy effected a purification (katharsis) of the emotions of terror and pity that amounted to an experience of rebirth.

Compassion is not a popular virtue. Very often when I talk to religious people, and mention how important it is that compassion is the key, that it's the sine-qua-non of religion, people look kind of balked, and stubborn sometimes, as much to say, what's the point of having religion if you can't disapprove of other people?

We are most creative and sense other possibilities that transcend our ordinary experience when we leave ourselves behind.

Geniuses are not always pleasant people.

If it is not tempered by compassion, and empathy, reason can lead men and women into a moral void.

When the horror recedes and the world resumes its normal shape, you cannot forget it. You have seen what is really there, the empty horror that exists when the consoling illusion of our mundane experience is stripped away, so you can never respond to the world in quite the same way again.

Religions have always stressed that compassion is not only central to religious life, it is the key to enlightenment and it the true test of spirituality. But there have always have been those who'd rather put easier goals, like doctrine conformity, in place.