Do as I say, not as I do

Do as I say, not as I do, is a proverb. A proverb is a short, common saying or phrase that may be a famous quote, an inspirational quote, an epigram, or the topic of a parable. These common sayings are language tools or figures of speech that particularly give advice or share a universal […]
from Grammarist
https://grammarist.com/proverb/do-as-i-say-not-as-i-do/