practise what preach

practise what you preach

(British & Australian) also practice what you preach (American)

to do what you advise other people to do I would have more respect for him if he practised what he preaches.

Name	Pronounced	Usage
Reiner	RIE-ner (German)	German, Ancient Germanic
Pons	-	French (Rare)
Hyacinthe	-	French
ÁBel	AH-bel	Hungarian
Redding	[rediŋ]
Rhett	RET	English