The easiest person to lie to is yourself.

Out of everyone in the world, the person who lies to you the most is almost certainly you.

Most of the time it’s not something we think about. It’s just a sort of automatic response, or a defense mechanism. We look at the things we’re working on, at the general state of our lives or goals, how we’ve been performing in various areas and – rather than making an objective assessment – we tell ourselves whatever it is we want to hear.

The worst part is si...