Interesting book by Twyla Tharp, The Creative Habit: Learn It and Use It For Life.
The best writers are well-read people. They have the richest appreciation of words, the biggest vocabularies, the keenest ear for language. They also know their grammar. Words and language are their tools, and they have learned how to use them. […] not knowing a word is like a doctor not knowing the name of an obscure but vital nerve, ot a carpenter forgetting the name of a type of nail […]