If you can dream it, you can do it.
The wise does at once what the fool does at last.
Expect problems and eat them for breakfast.
By failing to prepare, you are preparing to fail.
Go for it now. The future is promised to no one.
Be gentle to all and stern with yourself.
The secret of getting ahead is getting started.
If you're going through hell, keep going.
Be kind whenever possible. It is always possible.
Begin to be now what you will be hereafter.
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.