noun, noun or participle which takes 'suru'
practice what one preaches; walk the talk; make good on one's word
A yojijukugo emphasizing that one does what one says; often used as a motto or to describe a person of integrity. Can be used as a noun or with する to mean 'to carry out one's words'.
彼は有言実行の人だ。
He is a man who practices what he preaches.
有言
My motto is to walk the talk.