For men can endure to hear others praised only so long as they can severally persuade themselves of their own ability to equal the actions recounted: when this point is passed, envy comes in and with it incredulity.
ThucydidesThere is no need to suppose that human beings differ very much one from another; but it is true that the ones who come out on top are the ones who have been trained in the hardest school.
Thucydides