Expect problems and eat them for breakfast.
Only the educated are free.
Go for it now. The future is promised to no one.
Who seeks shall find.
Be kind whenever possible. It is always possible.
It's always too early to quit.
Always desire to learn something useful.
Never complain and never explain.
If you've got a talent, protect it.
Problems are not stop signs, they are guidelines.
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.