When you discover your mission, you will feel its demand. It will fill you with enthusiasm and a burning desire to get to work on it.
Source: In The Ultimate Success Quotations Library, 1997.
-- W Clement Stone, (May 4 1902-2002), US businessman, philantropist; He was founder and CEO of the worldwide Combined Insurance Co. of America; editor/publisher of Success: The Magazine for Achievers.