My mother told me that life isn't always about pleasing yourself and that sometimes you have to do things for the sole benefit of another human being. I completely agreed with her, but reminded her that that was what blow jobs were for.
Those who live as though God sets the rules are not going by their own rules. That is the self-sacrifice, or selflessness, that peace more often than not requires. Those who insist on going by their own rules cannot make that sacrifice. They are the steady adherents of (global) conflict because they are forever fighting both themselves and others to do whatever they think that they want to do.
Every plant, tree, and animal is a blessing and every person has a purpose for living. Courage, curiosity, and generosity produce noble spirits. Enduring life honorably results in wisdom. Knowledge passed down from one generation to the next along with humankind's tradition of performing charitable and self-sacrificing deeds creates principled legacies for future generations to emulate.