You can write any time people will leave you alone and not interrupt you. Or rather you can if you will be ruthless enough about it. But the best writing is certainly when you are in love.
A man does not exist until he is drunk.
Never mistake motive for action.
There are many good fishermen and some great ones. But there is only one you.
Good dialogue is not real speech-it's the illusion of real speech.
You could omit anything if you knew that the omitted part would strengthen the short story and make people feel something more than they understood