Restraint and discipline and examples of virtue and justice. These are the things that form the education of the world.

— Burke, Edmund

There are limits to self-indulgence, none to restraint.

— Gandhi, Mahatma

Before buying anything, it is well to ask if one could do without it.

— Lubbock, Sir John

It is his restraint that is honorable to a person, not their liberty.

— Ruskin, John

Remove severe restraint and what will become of virtue?

— Seneca