Mack R. Douglas Quotes
Mack R. Douglas Quotes. Below is a collection of famous Mack R. Douglas quotes. Here you can find the most popular and greatest quotes by Mack R. Douglas. Share these quotations with your friends and family.
When a man has done his best, has given his all, and in the process supplied the needs of his family and his society, that man has made a habit of succeeding.
By Mack R. Douglas
