Adjective
Caring supremely or unduly for one's self; regarding one's own comfort, advantage, etc., in disregard, or at the expense, of those of others.
Believing or teaching that the chief motives of human action are derived from love of self.
Source: Webster's dictionaryWhen so many are lonely as seem to be lonely, it would be inexcusably selfish to be lonely alone. Tennessee Williams
To be stupid and selfish and to have good health are the three requirements for happiness, though if stupidity is lacking, the others are useless. Gustave Flaubert
Glory, built on selfish principles, is shame and guilt. William Cowper
Selfish persons are incapable of loving others, but they are not capable of loving themselves either. Erich Fromm
If two selfish young men sit next to a pot of water, the water spills out on the ground. Ghana Proverb
It is hard even for the most selfish man to eat fish in the darkness. African Proverb