The law of evolution is that the strongest survives!' 'Yes, and the strongest, in the existence of any social species, are those who are most social.… - Ursula K. Le Guin

“The law of evolution is that the strongest survives.”
“Yes, and the strongest, in the existence of any social species, are those who are most social. In human terms, most ethical.”

Fiction offers the best means of understanding people different from oneself, short of experience. Actually, fiction can be lots better than experience, because it's a manageable size, it's comprehensible, while experience just steamrollers over you and you understand what happened decades later, if ever.

We're not outside the world, yoz. You know? We are the world. We're its language. So we live and it lives. You see?

"What's wrong with men?" Tenar inquired cautiously.
As cautiously, lowering her voice, Moss replied, "I don't know, my dearie. I've thought on it. Often I've thought on it. The best I can say it is like this. A man's in his skin, see, like a nut in its shell." She held up her long, bent, wet fingers as if holding a walnut. "It's hard and strong, that shell, and it's all full of him. Full of grand man-meat, man-self. And that's all. That's all there is. It's all him and nothing else, inside."