Complaining is a form of negative energy

Complaining is a form of negative energy. If you are continually complaining you are giving off negative energy this does not mean that you should not complain when you are entitled to. care

— from Fuel (Energy)

In the book

And the discipline that follows that is to guard the tank fiercely: allow no energy vampires aboard, the people who drain you and leave you wondering when they will finally leave; surround yourself instead with the people who fill you, not those who empty you. Complaining, by the way, is simply negative energy leaving your own mouth — pour out enough of it and you become an energy vampire to everyone around you. There is even a rough formula worth remembering: the Event plus your Perception equals the Outcome — the event is fixed, but the perception is yours, and it decides how much fuel the moment costs or yields. — Fuel (Energy)

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