Cusa taught that the maximum and the minimum, the greatest and the least, coincide in the infinite, as an infinite circle would coincide with a straight line. God is beyond the wall of the coincidence of opposites, where reason cannot follow. The idea has parallels in Daoist and Indian thought.
Coincidence of opposites
Nicholas of Cusa’s doctrine that in God, the infinite, all opposites meet and coincide.
Also: coincidentia oppositorum