During my lifetime most of the problems the world has faced have come, in one fashion or another, from mainland Europe and the solution from outside it.
A principle is the expression of perfection, and as imperfect beings like us cannot practise perfection, we devise every moment limits of its compromise in practice.
Given the scale of life in the cosmos, one human life is no more than a tiny blip. Each one of us is a just visitor to this planet, a guest, who will only stay for a limited time. What greater folly could there be than to spend this short time alone, unhappy or in conflict with our companions? Far better, surely, to use our short time here in living a meaningful life, enriched by our sense of connection with others and being of service to them.
You must not hate those who do wrong or harmful things; but with compassion, you must do what you can to stop them — for they are harming themselves, as well as those who suffer from their actions.