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
Funanya	-	Western African, Igbo
Alexandria	[ælig'za:ndriə]
Ahtahkakoop	-	Native American, Cree
Robi	-	Hungarian
Kenna	['kenə]
Anoushka	-	Various