The rationale for loving others is the recognition of the simple fact that every living being has the same right to and the same desire for happiness, and not suffering, and the consideration that you as one individual are one life unit as compared with the mulititude of others in their ceaseless quest for happiness.
All we have to do is understand that we're all here for a reason and to commit ourselves to that. Then we can laugh at our sufferings, large and small and walk fearlessly, aware that each step has meaning
Things are simply the way they are. They don't give us suffering. Like a thorn: Does a sharp thorn give us suffering? No. It's simply a thorn. It doesn't give suffering to anybody. If
we step on it, we suffer immediately.
Why do we suffer? Because we
stepped on it. So the suffering comes from us.
You evidently do not suffer from "quotation-hunger" as I do! I get all the dictionaries of quotations I can meet with, as I always want to know where a quotation comes from.
He did not know that the new life would not be given him for nothing, that he would have to pay dearly for it, that it would cost him great striving, great suffering. But that is the beginning of a new story -- the story of the gradual renewal of a man, the story of his gradual regeneration, of his passing from one world into another, of his initiation into a new unknown life. That might be the subject of a new story, but our present story is ended.
Creating-that is the great salvation from suffering, and life's alleviation. But for the creator to appear, suffering itself is needed, and much transformation.