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Live this day as if it will be your last. Remember that you will only find "tomorrow" on the calendars of fools.

Og Mandino (2010). “A Better Way to Live: Og Mandino's Own Personal Story of Success Featuring 17 Rules to Live By”, p.86, Bantam
Live this day as if it will be your last. Remember that you will only find tomorrow on the calendars of fools.