In an Unspoken Voice: How the Body Releases Trauma and Restores Goodness

by Peter A. Levine

Whatever increases, decreases, limits or extends the body’s power of action, increases, decreases, limits or extends the mind’s power of action. And whatever increases, decreases, limits or extends the mind’s power of action, also increases, decreases, limits or extends the body’s power of action. —Spinoza (1632–1677), Ethics