We will have to repent in this generation not merely for the vitriolic words and actions of the bad people, but for the appalling silence of the good people.
— Martin Luther King, Jr.

Make it a rule in life never to regret and never look back. Regret is an appalling waste of energy; you can't build on it; it is good only for wallowing in.
— Katherine Mansfield

You cannot conceive, nor can I, of the appalling strangeness of the mercy of God.
— Graham Greene

The very purpose of existence is to reconcile the glowing opinion we have of ourselves with the appalling things that other people think about us.
— Quentin Crisp

Make it a rule of life never to regret and never to look back. Regret is an appalling waste of energy, you can't build on it it's only good for wallowing in.
— Katherine Mansfield