Full Idea
The highest worth which human beings can and should procure for themselves lies in dispositions and not in actions only.
Gist of Idea
The highest worth for human beings lies in dispositions, not just actions
Source
Immanuel Kant (Critique of Practical Reason [1788], I.1.II)
Book Reference
Kant,Immanuel: 'Critique of Practical Reason (Third edition)', ed/tr. Beck,Lewis White [Library of Liberal Arts 1993], p.74
A Reaction
This leaves the problem of the well-meaning fool, who has wonderful dispositions but poor judgement. What Kant is describing here is better known as virtue. See Idea 58.
Related Idea
Idea 58 If virtues are not feelings or faculties, then they must be dispositions [Aristotle]