The comparison between the two "daily devotionals" shown above, is not the end of the similarities between these men. Whether the similarities are intentional or not, they may give us a clue as to how "numeric-success" is often achieved in the modern church. It may be that it's achieved by looking and sounding like the world's formula for self-empowerment and self-esteem.
As you consider their books and quotes below, keep in mind that Robbins is NOT attempting to speak a Christian message at all; his is a secular "personal success" message. Though the words are not identical, their "power within" theme is a striking commonality. Judge for yourself whether any of the quotes that you see below (from either man) can be substantiated biblically.
(HT: Reformation 21)