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.

About Katherine Mansfield

Kathleen Mansfield Murry (née Beauchamp; 14 October 1888 – 9 January 1923) was a New Zealand writer and critic who was an important figure in the modernist movement. Her works are celebrated across the world and have been published in 25 languages.