moderation in all things
The key to success, health, etc., is not doing, having, or consuming too much of a certain thing. Red wine, dark chocolate, and coffee are often said to be beneficial to health—but always in small quantities. Moderation in all things.
Moderation in all things.
Prov. Do not do anything too much or too little. Felicia always ate sparingly. "Moderation in all things," she told herself. Jane: I think you watch too much TV. Jill: So you think I shouldn't watch any? Jane: No, just watch a reasonable amount. Moderation in all things.