Guard your spare moments.They are like uncut diamonds. Discard them and their value will never be known. Improve them and they will become the brightest gems in a useful life.
Source: In Webster's Electronic Quotebase, ed. Keith Mohler, 1994.
-- Ralph Waldo Emerson, (May 25 1803-1882), US philosopher, poet, essayist; He was the main spokesman of his time for moral optimism and belief in the individual: Self-Reliance, 1844.