Selfish vs. Altruistic — What's the Difference?

Concerned chiefly or excessively with oneself, and having little regard for others

Unselfish concern for the welfare of others; selflessness.

Showing or arising from an excessive concern with oneself and a lack of concern for others

(Zoology) Instinctive behavior that is detrimental to the individual but favors the survival or spread of that individual's genes, as by benefiting its relatives.

The present quote doesn't illustrate the meaning very well.Holding one's own self-interest as the standard for decision making.

Regardful of others; beneficent; unselfish

Having regard for oneself above others’ well-being.

Regardful of others; beneficent; unselfish; - opposed to egoistic or selfish.

(video game characters) Relying on their own actions and capabilities to be effective in the game, rather than on other characters.

Showing unselfish concern for the welfare of others

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.

Concerned chiefly or only with yourself;