Coughing in the theater is not a respiratory ailment. It is a criticism. Alan Jay Lerner
Criticism may not be agreeable, but it is necessary. It fulfils the same function as pain in the human body. It calls attention to an unhealthy state of things. Winston Churchill
On one side, citizens have great respect for the United States; they have a great feeling of friendship. That is solid. But in the opposition and in the political arena I often find criticism of the closeness of relations with the United States. That is a reality. Vicente Fox
I much prefer the sharpest criticism of a single intelligent man to the thoughtless approval of the masses. Johannes Kepler
The clear problem of the outlawing of insult is that too many things can be interpreted as such. Criticism, ridicule, sarcasm, merely stating an alternative point of view to the orthodoxy, can be interpreted as insult. Rowan Atkinson