"One of the most mysterious things about the mind is the inordinate power of thought. Recognized for what they are, thoughts appear to be utterly without force, but unrecognized, they seem to totally define the contours of our minds. There is a paradox here, that we must keep surmounting. You are not who you think you are, but you are condemned to be who you think you are." (Moment; Waking Up app)
It is just a thought
Always keep some of your attention in observing presence