practise what you preach

practise what you preach

COMMON If you practise what you preach, you behave in the way that you encourage other people to behave. Note: The verb `practise' is spelled `practice' in American English. He practised what he preached, being more interested in moral values than money. I ought to be showing leadership and practise what I am preaching. Note: People sometimes vary this expression. The Bishop said the government had let the people down badly: it had preached love but practised hate.
See also: practise, preach, what