A biggest lie ever which is told to the most of the children is:
Thankfully it was never told to me but I am writing this is based on my own observation.
Based on my own experience I have found a new form of success.I define success like
Fully devoting yourselves for what you do+Gratitude+Enthusiasm=Success=True Happiness
This wouldn't be much visible to others but the kind of feeling which you get after practically experiencing this, is amazing and can't be defined in words.