If you can dream it, you can do it.
Be thine own palace, or the world's thy jail.
What you do today can improve all your tomorrows.
Only the educated are free.
Without hard work, nothing grows but weeds.
To be a good loser is to learn how to win.
The secret of getting ahead is getting started.
Be kind whenever possible. It is always possible.
Leap, and the net will appear.
If you think you can do it, you can.
I studied voice for about two years with an amazing coach, and I never rose above the level of mediocre.
I think there are a lot more writers who are actors than you know they just don't have roles on famous TV shows that you recognize.