You can only get discipline in the mass by discipline in the individual. Sir Robert Baden Powell
So far as discipline is concerned, freedom means not its absence but the use of higher and more rational forms as contrasted with those that are lower or less rational. Charles Horton Cooley
In the last analysis, our only freedom is the freedom to discipline ourselves. Bernard Baruch
If we don’t discipline ourselves, the world will do it for us. William Feather
Without discipline, there’s no life at all. Katharine Hepburn