A failure is not always a mistake, it may simply be the best one can do under the circumstances. The real mistake is to stop trying.
Behaviorism
Attributed, often quoted, specific source can be elusive but consistent with his views on learning.
Unknown
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Cross Reference
2 sources
"When you have a choice to make, but you don't make it, then that is a choice in itself."
Humorous"Morality is a social construct enforced by punishment and reward."
Controversial"Contingencies of reinforcement are everywhere."
Humorous"The environment determines the behavior of the individual, not some inner 'will.'"
Humorous"A sense of humor is a sense of proportion."
Humorous