It's always too early to quit.
Do not weep do not wax indignant. Understand.
Things do not happen. Things are made to happen.
If you've got a talent, protect it.
Know or listen to those who know.
You never know what motivates you.
I can, therefore I am.
The most effective way to do it, is to do it.
Who seeks shall find.
Be thine own palace, or the world's thy jail.
The romantic idea is that everybody around a writer must suffer for his talent. I think a writer is a citizen of humanity, part of his nation, part of his family. He may have to make some compromises.