Full Idea
We are forced to admit that, in any will that is not always willing, the very first movement to will must come from outside, stimulating the will to start willing.
Gist of Idea
We must admit that when the will is not willing something, the first movement to will must come from outside the will
Source
Thomas Aquinas (Quaestiones Disputatae de Malo [1271], Q6.reply)
Book Reference
Aquinas,Thomas: 'Selected Philosophical Writings', ed/tr. McDermott,Timothy [OUP 1993], p.178
A Reaction
cf Nietzsche