The greatest dreams on Earth
I trust to you my child.
You are the seed of humnakind
The hope, the future of the world.
(Tran Duk Uen, 20th century "A Letter To My Future Child", Vietnam)
Next I hand-stiched the patch to securely attach it to the page:
Now all that was left was to put the page in the mat (being careful to get it straight), place it back in the frame (don't forget to clean the glass!), and push tight/replace the staples.
You may even want to add brown paper to the back for a professional finish. I use double stick permanent tape around all the edges, press the paper on snugly, then trim with a craft knife: