Here is some information,
For mental motivation.
Firstly, my brother you have to stay hungry no matter what the cost.
Now complacency is how a man’s hunger is lost and that is quite tragic.
“The tragedy of life is not found in failure but complacency. Not in you doing too much, but doing too little. Not in you living above your means, but below your capacity. It’s not failure but aiming too low, that is life’s greatest tragedy.” – Benjamin E. Mays