This preparatory sort of idealism is the one that, as I just suggested, Berkeley made prominent, and, after a fashion familiar. I must state it in my own way, although one in vain seeks to attain novelty in illustrating so frequently described a view.

J. Royce himself declared the “successive expressions” of the philosophy of loyalty “form a consistent body of ethical as well as religious opinion and teaching verifiable in its main outlines in terms of human experience and capable of furnishing a foundation for a defensible form of metaphysical idealism. Philosophical Library.

Josiah Royce (November 20 1855 – September 14 1916) was an American objective idealist philosopher.