Full Idea
Good applies to all goals, just as truth applies to all forms mind takes in.
Gist of Idea
Good applies to goals, just as truth applies to ideas in the mind
Source
Thomas Aquinas (Quaestiones Disputatae de Malo [1271], Q6.reply)
Book Reference
Aquinas,Thomas: 'Selected Philosophical Writings', ed/tr. McDermott,Timothy [OUP 1993], p.177
A Reaction
In danger of being tautological, if good is understood as no more than the goal of actions. It seems perfectly possibly to pursue a wicked end, and perhaps feel guilty about it.