A fresh mind keeps the body fresh. Take in the ideas of the day, drain off those of yesterday. As to the morrow, time enough to consider it when it becomes today.
Source: In The Ultimate Success Quotations Library, 1997.
-- Edward G Bulwer-Lytton, (May 25 1803-1873), English statesman, poet; He is chiefly remembered as a prolific novelist and his skill in anticipating and satisfying changes in public taste.