Worth 30 Psychologist Abraham Maslow theorized that people are motivated by six basic needs which must be fulfilled in turn: three “deficiency” needs and three “growth” needs. The deficiency needs are, first, food, water and sleep; second, physical and mental stimulation; and third, safety and security. Prompted by their growth needs, people reach outward for love, friendship, and a sense of belonging; seek other people’s approval and respect; and, , “self-actualize” – achieve self-fulfillment and realize their full creative potential.

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