What’s the difference between the two? Control.
The average human being has about 70,000 thoughts per day, on average 80% of those are negative. If you let those negative thoughts become part of your sub-conscious then you let those thoughts dictate what you do, you become a thermometer.
If you don’t allow those negative thoughts in, you control what you watch, what you read and the people you’re around your sub-conscious has a completely different thought pattern. You are now in control of what you think, you become a thermostat in your life.
Which one are you? A thermometer or thermostat?