Shielding oneself from wrong vibrations

Q: As soon as I meet or see certain people, certain lower and wrong vibrations arise in me. This is an invariable habit, in spite of the fact that I want to get rid of these reactions. What should I do?

The radical method is to cut off all mental and vital connection with these people; but until you know how to do this, you must persistently eliminate from your consciousness the effect produced by their influence.

Ref: Some Answers from The Mother