Walk your talk phrase
To do things in agreement with what one says.
John always walks his talk, so if he promised to pick you up, then he'll be here.
He boasted that he would defeat me easily in the match the next day. Let's see whether he can walk his talk.
Walking your talk will earn you the respect of surrounding people.
The verb "walk" must be conjugated according to its tense.
The original American expression is ‘walk the walk and talk the talk’ or sometimes the other way round, meaning that talk is useless without appropriate action to back it up. It is not known who actually coined it, but it began to appear in American newspapers during the early 1920s. It has now been abbreviated to walk the talk from the latter half of the 20th century.
Meaning absolutely certain or without a doubt
I am as sure as God made little green apples that Peter's the one for you, you two make a beautiful couple.