Criticism may not be agreeable but it is necessary It fulfills the same function as pain in the human body It calls attention to an unhealthy state of things

Men in authority will always think that criticism of their policies is dangerous They will always equate their policies with patriotism and find criticism subversive

The motive behind criticism often determines its validity Those who care criticize where necessary Those who envy criticize the moment they think that they have found a weak spot