Selfishness is the destructive tendency to consider one's own needs above all others. Alfred Adler wrote, "It is the individual who is not interested in his fellow men who has the greatest difficulties in life and provides the greatest injury to others. It is from among such indidivduals that all human failures spring."
- Study Love: Seeketh Not Her Own, an analytical outline on "seeketh not her own" (οὐ ζητεῖ τὰ ἑαυτῆς) in 1 Cor. 13:5.