People put a lot of stock into motivation. Motivation has turned into big business. It is estimated that the motivational speaking industry brought in $1.9 billion in 2019! Being told all of the ways we can motivate ourselves each day is kind of intoxicating. A bit of motivational inspiration can make us feel like today is the day we turn our lives around! Imagine that - the idea that one day's worth of work will lead to years' worth of change. But there is a great substitute for motivation: discipline. Here are three reasons why. 1 - Motivation is fleeting…