Full Idea
The will must have motives. But these are not objects of physical feeling as predetermined ends in themselves. They are none other than the absolute law itself, and the will's receptivity to it as an absolute compulsion is known as moral feeling.
Gist of Idea
The will's motive is the absolute law itself, and moral feeling is receptivity to law
Source
Immanuel Kant (True in Theory, but not in Practice [1792], 1Bb)
A Reaction
This sounds like our natural motivation to get the right answer when doing arithmetic, which is the innate motivation towards truth. I once heard it said that truth is the only value. So why does Donald Trump fail to value truth?
Book Reference
Kant,Immanuel: 'Political Writings', ed/tr. Reiss,Hans [CUP 1996], p.68