There are certain things that our age needs, and certain things that it should avoid. It needs compassion and a wish that mankind should be happy; it needs the desire for knowledge and the determination to eschew pleasant myths; it needs above all, courageous hope and the impulse to creativeness. The things that it must avoid, and that have brought it to the brink of catastrophe, are cruelty, envy, greed, competitiveness, search for irrational subjective certainty, and what Freudians call the death wish.
The root of the matter (if we want a stable world) is a very simple and old-fashioned thing, a thing so simple that I am almost ashamed to mention it, for fear of the derisive smile with which wise cynics will greet my words. The thing I mean – please forgive me for mentioning it – is love, Christian love, or compassion. If you feel this, you have a motive for existence, a guide in action, a reason for courage, an imperative necessity for intellectual honesty. If you feel this, you have all that anybody should need in the way of religion. Although you may not find happiness, you will never know the despair of those whose life is aimless and void of purpose, for there is always something that you can do to diminish the awful sum of human misery.
What I do want to stress is that the kind of lethargic despair which is now not uncommon, is irrational. Mankind is in the position of a man climbing a difficult and dangerous precipice, at the summit of which there is a plateau of delicious mountain meadows. With every step that he climbs, his fall, if he does fall, becomes more terrible; with every step his weariness increases and the ascent grows more difficult. At last there is only one more step to be taken, but the climber does not know this, because he cannot see beyond the jutting rocks at his head. His exhaustion is so complete that he wants nothing but rest. If he lets go he will find rest in death. Hope calls: “One more effort — perhaps it will be the last effort needed.” Irony retorts: “Silly fellow! Haven’t you been listening to hope all this time, and see where it has landed you.” Optimism says: “While there is life there is hope.” Pessimism growls: “While there is life there is pain.” Does the exhausted climber make one more effort, or does he let himself sink into the abyss? In a few years those of us who are still alive will know the answer.
– Chapter 6: Science and Values