Related:

• When the tides of life turn against you, And the current upsets your boat, Don't waste those tears on what might have bee
  Just lay on your back and float. -- Art Carney (as Ed Norton in The Honeymooners)...
• We shall be judged, not by what we might have been, but what we have been.
  -- Reverend William Sewell...
• Schrodinger might have been here.
• Heisengberg might have been here.
• Waste not fresh tears over old griefs. -- Euripide
• Waste not fresh tears over old griefs. -- Anon.
• It is never too late to be what you might have been. -- Farmer's Almanac, 1995
• Your quote might have been here.
• Waste not fresh tears over old griefs. -- Euripides (431 BC)