On the other hand, he spoke with respect of Hippocrates, and wrote a commentary on his Aphorisms. In this we see a spirit very different from the enthusiasm of the humanists for a purer and nobler philosophy than the scholastic and Arabian versions of Greek thought.
During these stormy years he wrote his Aphorisms of Justification, which on its appearance in 1649 excited great controversy.
The reception of Proverbs into the Hebrew Canon was for a time opposed on the ground of a supposed contradiction between two aphorisms (xxvi.
At Jena, where he lectured as a Privatdozent at the university, he contributed to the Athenaeum the aphorisms and essays in which the principles of the Romantic school are most definitely stated.
At a subsequent period the demand for instruction in the sacrificial science called into existence a still more practical set of manuals, the so-called Kalpa-sutras, or ceremonial rules, detailing, in succinct aphorisms, the approved course of sacrificial procedure, without reference to the supposed origin or import of the several rites.