The top line sums up the meaning of the remaining four.
It's both cringey and ableist.
I'd add that it's also good old fashioned Puritan Values Prosperity Gospel Victim Blaming.
Because the meaning here is that if you fail it's your fault for not trying hard enough.
@Tarnagh But it doesn't stop with just failing. If you succeed keep going.
@ThrasherPrime
It doesn't matter how anyone else feels about it, then. 🙂
I did miss seeing that you use it for internal motivation/affirmation.
If this is what works for you, for that purpose, then it doesn't matter what anyone else thinks.