Those who find it easy to criticize the performance of others have no clue how to evaluate or improve their own performance. Honest self-evaluation is obscured by the obsessive need to criticize what others are trying to accomplish. A critic’s only burning passion is to destroy what others are trying to build. The reason is jealousy and envy that turns into self-rage…a self loathing that manifests in venom-spewing toward others. Those who can do – those who can’t, criticize. – from my next book