By Josh O’Brien Pep Guardiola is widely viewed as one of the greatest managers in the history of football. Therefore, when he speaks, just about everyone in the football world listens. There appears to even be a softer side to the Manchester City manager, which was on display when he publicly invited former Chelsea boss Frank Lampard out for dinner to soften the blow of his Blues dismissal. Prior to his offer of dinner to Lampard, Guardiola also made a point that still rings true more than three years on regarding the difficulty of modern management, especially for those who take up the Stamfo…