In 1653 he had made the astonishing proposal to the Dutch that England and Holland should divide the habitable globe outside Europe between them, that all states maintaining the Inquisition should be treated as enemies by both the proposed allies, and that the latter "should send missionaries to all peoples willing to receive them, to inculcate the truth of Jesus Christ and the Holy Gospel."
He particularly congratulated himself on having discovered the " philosophical argument " against transubstantiation, " that the text of Scripture which seems to inculcate the real presence is attested only by a single sense - our sight, while the real presence itself is disproved by three of our senses - the sight, the touch, and the taste."
The subject was "What truths and sentiments is it most important to inculcate to men for their happiness?"
Both are intended as illustrations of doctrines taught in the schools of Babylonia; the former to explain that only the favourites of the gods can hope under exceptional circumstances to enjoy life everlasting; the latter to emphasize the impossibility for ordinary mortals to escape from the inactive shadowy existence led by the dead, and to inculcate the duty of proper care for the dead.
The poets - especially the authors of the New Comedy - strongly inculcate humanity, and insist on the fundamental equality of the slave.