The Basis of Morality by Part 2 Chapter 4 Page 72

which consequently would have to be obscure and confused, while the abstract, formed by separating from objects their qualities, would be clear! The will, which was determined by preceptions thus sensuously conditioned, formed the lower Volition, and it was for the most part bad; for its acts were guided by the impulse of the senses; while the other will (the higher) was untrammelled, was guided by Pure Reason, and appertained only to the immaterial soul.

This doctrine of the Cartesians has been best expounded by De la Forge, in his Tractatus de Mente Humana, where in chap. 23 we read: Non nisi eadem voluntas est, quae appellatur appetitus sensitivus, quando excitatur per judicia, quae formantur consequenter ad perceptiones sensuum; et quae appetitus rationalis nominatur, cum mens judicia format de propriis suis