Like wild horses and crazy monkeys.
(You will hear and see our wild house cat, Tin Tin, scampering around the room during much of today's sitting)
Nevertheless, when we work attentively, therein lies the principle that makes
it possible to surpass our predecessors.
That you still do not grasp the certainty of this principle is because your thinking scatters, like wild horses, and your emotions run wild, like monkeys in a forest. If you can make those monkeys and horses, just once, take the backward step that turns the light and shines it inward, then naturally you will be completely integrated. This is the means by which we, who are [ordinarily] set into motion by things, become able to set things into motion.
From: Tenzo Kyokun - Instructions for the Cook by Eihei Dogen - Translated by Griffith Foulk