Abstraction generally involves implication, suggestion and mystery, rather than obvious description.
A drawing a day keeps the cobwebs away.
No matter what your disciplines, you need your own personal lists.
More than any other colour, red is loaded for action.
I do know, for most of us, the very best of times are when you're in your own space sweating, trying to squeeze quality out of imperfect capabilities.
Art, because it's so easy to do, and yet so difficult to do well, encourages humility in the human soul.