There are only two kinds of people: those who act like God and those who play God. The first are motivated by deep, compassionate love and show respect. The others claim to know best for everyone else and impose their opinions on others with contempt. John Milton accurately portrays this impulse of humans (through the voice of Satan) by writing:
Here we may reign secure, and in my choice
To reign is worth ambition though in Hell:
Better to reign in Hell, than serve in Heav’n.
(John Milton, Paradise Lost, Book II, Lines 240-242)
The theory of those who play God is, even if you can’t reign in real hell, make life hell for others and dominate them.
The theory of those who act like God is, by devotion to the worth of others, make the world a better place.