It's always too early to quit.
Know or listen to those who know.
To be a good loser is to learn how to win.
Who seeks shall find.
Always desire to learn something useful.
If you can dream it, you can do it.
Do not weep do not wax indignant. Understand.
After a storm comes a calm.
Be kind whenever possible. It is always possible.
By failing to prepare, you are preparing to fail.
When I was young, I did actually model and was much photographed by famous photographers. But I was always a bookworm.