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.

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.

Regret is an appalling waste of energy; you can't build on it; it's only good for wallowing in.

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.

Could we change our attitude, we should not only see life differently, but life itself would come to be different.

Never regret yesterday. Life is in you today and you make your tomorrow.