Regret for time wasted can become a power for good in the time that remains, if we will only stop the waste and the idle, useless regretting.
Source: In Correct Quotes for DOS, WordStar International, 1991.
-- Arthur Brisbane, (Dec 12 1864-1936), US newspaper editor, writer; He was known as the master of the big, blaring headline and of the atrocity story.