Destructive criticism is the biggest single enemy of human potential. It is worse than cancer or heart disease. While those diseases can ultimately lead to the deterioration and death of an individual, destructive criticism kills the soul of the person but leaves the body walking around.
The greatest enemies of success and happiness are negative emotions of all kinds.
The comfort zone is the great enemy of courage and confidence.
Fear and self-doubt have always been the greatest enemies of human potential.
Success can lead to complacency, and complacency is the greatest enemy of success.
The biggest enemies we have to overcome on the road to success are not a lack of ability and a lack of opportunity but fears of failure and rejection and the doubts that they trigger.
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