You cannot hold on to anything good. You must be continually giving -- and getting. You cannot hold on to your seed. You must sow it -- and reap anew. You cannot hold on to riches. You must use them and get other riches in return.
Source: In The Ultimate Success Quotations Library, 1997.
-- Robert Collier, ( 1885-1950), US success author, mining engineer; He was one of America's original success authors.