Lyndon Johnson actually said...
The father of the free enterprise system, Mr. Adam Smith, described the value of the small businessman in these words: 'A small proprietor . . . who knows every part of his little territory, who views it with all the affection which . . . small property naturally inspires . . . is generally of all improvers, the most industrious, the most intelligent, and the most successful.'
Context
Remarks at the Swearing In of Bernard L. Boutin as Administrator, Small Business Administration.
05/18/1966