Moderation in all things

Proverbial Meaning: Taking things to extremes, such as smoking, drinking and even exercise, can be bad for your health.

Literal Origins: Be moderate with all your pursuits.

Common Usage: This proverb's meaning will be instantly recognisable by most English speaking people, it is often heard spoken thusly: "Everything in moderation..." referring to excessive drinking or eating, or sometimes as a light hearted joke when one has had enough exercise.