Impatience has probably been a bigger stumbling block in the way of real ability than anything else. Doing anything well, I’m sure, means hurdling obstacles of one kind or another most of the way to the goal. Skill is the ability to overcome obstacles, the first of which is usually lack of knowledge about the thing we wish to do. It is the same in anything we attempt.
by Andrew Loomis, Drawing the Head & Hands (via pogorobot