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.
— Sir Winston Churchill (1874-1965)
In disagreements with loved ones, deal only with the
current situation. Don’t bring up the past.
— Dalai Lama
If you have never made mistakes it is most likely that you have never made anything.
— René Carayol.