I hate this.
Why not try to be better than everyone? Crush the world, damn it. Don’t be better than yesterday. Be better than everyone’s yesterday.
Imagine how many remarkable accomplishments might have never happened had every inventor, explorer, athlete and entrepreneur failed to chase down the frontrunner and competed against the very best in their chosen field.
Also, the comma after the word than is superfluous and grammatically incorrect.
A grammatical error in an inspirational message?
Perhaps the person who created this should have set his or her bar higher, too.