https://www.selleckchem.com/pr....oducts/l-alpha-phosp
It is argued that the sensorium of God was introduced into the Quaestiones added to the end of Newton's Optice (1706) as a way of answering objections that Newton had failed to provide a causal account of gravity in the Principia. The discussion of God's sensorium indicated that gravity must be caused by God's will. Newton did not leave it there, however, but went on to show how God's will created active principles as secondary causes of gravity. There was nothing unusual in assuming that God, acting as the First Cau