It's always too early to quit.
Things do not happen. Things are made to happen.
Be thine own palace, or the world's thy jail.
Either you run the day or the day runs you.
Only the educated are free.
Do not weep do not wax indignant. Understand.
Begin to be now what you will be hereafter.
If you've got a talent, protect it.
Well done is better than well said.
After a storm comes a calm.
After these three novels I gave up writing novels for a time I was dissatisfied with romantic doom, yet didn't see much way around it.