One of the objectives of opening play is to try to surprise your opponent.
Unless a player has an 'understanding chess' rating of at least 2400, the amount of significant knowledge that he can impart on others is limited.
The key to ultimate succcess is the determination to progress day by day.
Only play into a variation in which your opponent is strong if you have your own personal novelty ready!
In Chess, at least, the brave inherit the earth
You must be able to handle a variety of move orders during the first 5-6 moves - otherwise you'll find yourself 'tricked' time and time again.