Go for it now. The future is promised to no one.
It's always too early to quit.
To be a good loser is to learn how to win.
To know oneself, one should assert oneself.
Who seeks shall find.
You never know what motivates you.
Always desire to learn something useful.
Well done is better than well said.
What you do today can improve all your tomorrows.
Begin to be now what you will be hereafter.
I know it sounds new age-y, but what I've truly come up with is that you really need to trust that you're on your own path, as long as you stay true to it and you show up, which is 99% of it.