One of the most common causes of failure is the habit of quitting when one is overtaken by temporary defeat.
Knowledge is only potential power.
You might find it necessary to 'snap' out of your mental inertia, moving slowly at first, then increasing your speed, until you gain complete control over your will. Be persistent no matter how slowly you may, at first, have to move. With persistence will come success.
If you learn to budget your time correctly, you will have time for all your needs.
Life reflects your own thoughts back to you.
A goal is a dream with a deadline.