If a person wants to live in a good world, he should ACTIVELY do things to make the world better.

"Humans are motivated by survival." Kumquatodor, you are absolutely right! But humans are also motivated by pleasure (so as to seek it), and try to avoid things that directly contribute to their pain, suffering. For example, humans that know touching a burning stove will inflict searing pain will try to avoid touching it intentionally. Pain and Pleasure are not imaginary phenomena, but genuinely arise from the body's biochemistry, in reaction to things that can benefit us (keep us alive) and harm us (kill us). Pain and pleasure are rudimentary impelling forces used by the body (and evolved over hundreds of millions of years) to motivate us into action.This is something common to all humanity. So why should a person desiring to live in a good world actively do things to make the world better for everyone? Because humans also interpret equality and fairness with respect to experiences of Pleasure and Pain. Equality Under the Law, Fairness Under the Law requires that everyone has Equal Rights under the law and is afforded opportunity to improve their comfort, their well being, their happiness to a state of pacified satisfaction. Every living human on the planet responds to pleasure and pain the same way. You can bet that wherever a human is annoyed enough, abused enough the experience of unhappiness and pain will pass a discomfort threshold - and he will lash out at society in some act of rejection, which might be violent. This can be an individual or it can be a group of individuals, and as long as they feel vulnerable, as long as a memory or a past experience calls up feelings of displeasure the society they live in serious danger of being attacked or being reduced to a barely manageable state - one where distrust and hate are high, crime is excessive, and society's laws are ignored. It therefore serves society (and all members in society) to promote Equal Justice, Equal Fairness, Equal Rights under the Law, ample (employment) opportunity for everyone, equal access to a great education because only with these conditions can people experience a sense of genuine comfort, where each member also understands that everyone else is comfortable with respect to legal social arrangements.It also does society good to promote the well-being of all its members, because this communicates a sense of genuine caring (which optimizes comfort), which reinforces peace and one's loyalty to the people and laws of the community. Promoting good health and access to affordable healtcare optimizes comfort; encouraging charitableness and volunteering reinforces a sense of neighborliness, caring. These all promote comity in society and peace.It benefits society to advocate Equal Rights, Equal Justice under the Law, equal access to a stellar education, good health and affordable healthcare, neighborliness and chariableness because this maximizes comfort, loyalty, and peace among every member! A society that fails to accomplish any of these only increases its displeasure.Also true, any society that rejects the above egalitarianism (under the Law) and fails to reinforce policies that maximize comfort, rights, education, and health actually promote the likehood for war, combativeness, and instability, because such communities promote individual and minority displeasure, which naturally stimulates retaliation!Despotic governments, tyrannies, dictatorships provoke retaliation necessarily, and militant theocracies breed anger, resentment amomg religious minorities. They threaten the world with economic instability, conflict, and continuing social upheavel!It therefore benefits the world to promote egalitarianism and policies that optimize mutual joy and comfort.