"authority of reason" is correct and usable in written English.
It is usually used to refer to a situation where rationality and logic are accepted as the basis for making a decision or forming an opinion. For example: "The court ultimately relied on the authority of reason to make its ruling."
Geulincx, however, aimed to submit the will to the authority of reason.
It is distinguished from the philosophical discipline of ethics, which relies upon the authority of reason and which can only call upon rational sanctions for moral failure.
On the contrary, they want it both ways: to claim the authority of reason while also defending the "Christian worldview" against the ivory tower's "secular humanism".
Instead, George rests his ethics on a foundation of "practical reason": "invoking no authority beyond the authority of reason itself," as he put it in one essay.
This battle echoes others taking place between fundamentalist terror, which claims the authority of Faith, and Western modernity, which claims the authority of Reason.
The question is how exactly the constructivist idea of the underived authority of reason escapes the original problem of circularity.
Instead, they held that Aristotle considered the soul as a material and therefore a mortal entity, operating during life only under the authority of universal reason and organically connected with the body, on the dissolution of which it would become extinct.
Stephen Macedo, a political theorist at Princeton, has written, "Cherishing our 'epistemic diversity,' for Carter, seems to mean not only ignoring the political authority of shared reasons, but also requiring everyone to avoid challenging and criticizing other people's religious convictions".
The basic idea of the authority and autonomy of reason, which dominated all philosophizing in the 18th century, was, at bottom, the consequence of Newton's work.
It is not surprising that they selected their themes from every Renaissance problem of order and authority, of passion and reason, of good and evil and explored every comic attitude to people and society with unsurpassed vigour and vision.
The Enlightenment was about replacing traditional authorities with the authority of individual human reason, but it was not about overturning traditional moral and religious beliefs.
