One certainty in life is that everything comes back to us.
In fact, every time we interact with others, nature, and the universe; we leave an imprint and mark. If we take something without willingly giving something back, we weaken something and/or create a vacuum that will be somehow filled back in the reverse direction. The planet is a good example. As we take mercilessly without giving back, we are progressively weakening the ecosystem that unless reversed, will cause it to collapse of which the fallout will befall our children (so much for the saying ‘doing it for our kids’..).
So live a caring and giving life. Be kind, thoughtful, and helpful—in essence live the 30 Ladders, and you will create a better world and be better assured that everything you create will come back to you in equally fine form.