The moral : Don't assert our own aspirations on other people. They may completely disagree with you!

You must defend your beliefs, but it is not necessary to forcibly imposed.
If a man will try to convince me that the earth is flat, I'm not going to talk to him: "Believe me, it is round." I will give the facts.

I'm probably not quite understood you correctly

I never tried Marmite or Durian. T_T What wrong with me?