Verb
walk the walk (third-person singular simple present walks the walk, present participle walking the walk, simple past and past participle walked the walk)
To act consistently in line with one's claims; to follow through.
When it comes to reducing greenhouse gas emissions, he talks the talk, but it remains to be seen if he can walk the walk.
Suddenly I was the man who got the part that every actor in the English language was trying to get. I was really scared. I had talked the talk, and now I had to walk the walk. For three days, I couldn't answer the phone. F. Murray Abraham
Leaders should not just talk about - but walk the walk of - fiscal conservatism. Michael Enzi
Don't talk the talk if you can't walk the walk. English Proverb