If you want to learn how to speed read right read this sentence below....
kjhpo hg dlskjd wlekjf slkij f ei fkhlzsie.
If you can read that without difficulty, you have a speach impediment..
And to answer the question at hand....you can't.
Mankind have a great aversion to intellectual labor; but even supposing knowledge to be easily attainable, more people would be content to be ignorant than would take even a little trouble to acquire it.
- Samuel Johnson