From Everyday Mind – 366 Reflections on the Buddhist Path
“Beings are owners of their actions…heirs of their actions; they originate from their actions, are bound to their actions, have their actions as their refuge. It is action that distinguishes beings as inferior and superior.”
– Culakammavibhanga Sutta, in The Middle Length Discourse of the Buddah, trans. by Bhikkhu Bodhi
Or, as a professor I once knew said: “Behavior is action. Since we are always in action, therefore we are always behaving”.