We talk often. In our talks, sometimes we project ourselves favorably. Also, we promise to deliver on certain things. Our talk attaches significances because it wears the clothing of our commitment. Can our talk deliver ? Can we walk the talk ?
Over time people know the sincerity of a person to his word. His value gets ascertained how much value he puts to his own word. A man's word is his honour. There is nothing more holy than that. Let 2 words - "your talk" and "honesty" mean 1 and the same thing. When that happens, you maybe invited to give a lecture on practical tips titled "walk the talk".