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" We commonly confuse love with the strong emotions most often associated with it, such as joy, attachment, lust, infatuation, pleasure, pain, fear, and hope, to name a few. But, love is not a feeling; love itself is an action. There are countless emotions and beliefs that can cause us to love. Love is the willing giving of self to another living being. Love is giving the life, time, energy, and resources that we would normally give or use for our self to someone else. Love is an action that enhances the well-being of another living being. "
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" Challenge a person's beliefs, and you challenge his dignity, standing, and power. And when those beliefs are based on nothing but faith, they are chronically fragile. No one gets upset about the belief that rocks fall down as opposed to up, because all sane people can see it with their own eyes. Not so for the belief that babies are born with original sin or that God exists in three persons or that Ali is the second-most divinely inspired man after Muhammad. When people organize their lives around these beliefs, and then learn of other people who seem to be doing just fine without them--or worse, who credibly rebut them--they are in danger of looking like fools. Since one cannot defend a belief based on faith by persuading skeptics it is true, the faithful are apt to react to unbelief with rage, and may try to eliminate that affront to everything that makes their lives meaningful. "
― Steven Pinker , The Better Angels of Our Nature: Why Violence Has Declined