We need not take refuge in supernatural gods to explain our saints and sages and heroes and statesmen, as if to explain our disbelief that mere unaided human beings could be that good or wise.
Abraham MaslowClassic economic theory, based as it is on an inadequate theory of human motivation, could be revolutionized by accepting the reality of higher human needs, including the impulse to self actualization and the love for the highest values.
Abraham MaslowTo the man who only has a hammer, everything he encounters begins to look like a nail.
Abraham Maslow