It's always too early to quit.
If you think you can do it, you can.
The wise does at once what the fool does at last.
Go for it now. The future is promised to no one.
If you've got a talent, protect it.
To know oneself, one should assert oneself.
To be a good loser is to learn how to win.
Be thine own palace, or the world's thy jail.
If you can dream it, you can do it.
Leap, and the net will appear.
Learning is what most adults will do for a living in the 21st century.
He bit his lip in a manner which immediately awakened my maternal sympathy, and I helped him bite it.