If you don't have passion, everything you do will ultimately fizzle out or, at best, be mediocre. Is that how you want to live your life?
Pythagoras, Locke, Socrates - but pages might be filled up, as vainly as before, with the sad usage of all sorts of sages, who in his life-time, each was deemed a bore! The loftiest minds outrun their tardy ages.