Significados de active reason en inglés

When this active reason is regarded as the standard of moral action, it is called by Aquinas synteresis.

In subordination to the passive intellect, the external faculty, the active reason, is also to be cultivated; it deserves care, like the skin.

He seems to waver about identifying the "spark" with the " active reason," but inclines on the whole to regard it as something even higher still.