A musician must make music, an artist must paint, a poet must write, if he is to be ultimately at peace with himself. What a man can be, he must be
We need to understand psychology because the only real danger that exists is man himself
… psychology should be studied
http://psycnet.apa.org/record/1986-21914-001
social loafing, or the decrease in individual effort that occurs when the individual works within a cooperative group rather than alone) have been strongly influenced by results reported in W. Moede (1927) and attributed to M. Ringelmann (1913)
wiki/Bystander_effect - The bystander effect, or bystander apathy, is a social psychological phenomenon in which individuals are less likely to offer help to a victim when other people are present.