It's okay to doubt. It's important to test. The way to discover secrets is to be a student of your own efforts.
God may work in light, but we mortals work in pigment.
The studio is an extension of the sandbox and the kindergarten playroom. It has a dynamic unlike any office or factory. It's a room at the service of a dreamer on her way to becoming a master.
A drawing a day keeps the cobwebs away.
Whatever you do, don't let your system run you.
No matter what your disciplines, you need your own personal lists.