Here are some quotes that I love:
There are three rules for writing a novel. Unfortunately, no one knows what they are.
-W. Somerset Maugham
I hate quotations. Tell me what you know.
-Ralph Waldo Emerson
Specificity is the soul of all good communication.
-a quote from a smart person (source link)
Never try to tell everything you know. It may take too short a time.
Consistency is the last refuge of the unimaginative.
Acting is half shame, half glory. Shame at exhibiting yourself, glory when you can forget yourself.
Treat people as if they were what they should be & you help them become what they are capable of becoming. -Johann Wolfgang von Goethe
I will update this list as I find more that I like.