I was actually helping you. Did you have a look at that page? You asked, among others, for motivational things to write as well. There's a ton of them there. And they are all work related. Here, let me point them out to you.
About the importance of making the best use of time, everyday.
Poem: Today
About defining your own wages. Implication: learn more, earn more.
Poem: My Wage
About the importance of work. No work is menial. What you are doing is best suited for you, and only you can best do it.
Poem: Work
About nobility of character:
Poem: My Creed
Poem: Character of a Happy Life
About how Abe Lincoln, Ben Franklin, etc. didn't have the kind of resources we have when they began; yet they made it big on their own:
Poem: Equipment
About faith and self-belief:
Poem: Invictus
Poem: It Couldn't Be Done
Poem: If
About not giving up:
Poem: Don't Quit
Poem: Climb 'Til Your Dreams Come True
Poem: It Will Come
Poem: Learn to wait
Poem: As You Travel Through Life
About making the best use of what you have:
Poem: Opportunity
And there's a ton more of them there.