There is only one way to avoid criticism: Do nothing, Say nothing, and Be nothing.
— Aristotle

Fix the problem, not the blame.
Japanese Proverbs criticisms quote

I much prefer the sharpest criticism of a single intelligent man to the thoughtless approval of the masses.
— Johannes Kepler

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

To avoid criticism, do nothing, say nothing, and be nothing.
— Elbert Hubbard