In this he betrays his affinity with Ezekiel, who taught that it is by the possession of the sanctuary that Israel is sanctified.
Really, he urged, there could be only one substance - Descartes himself had dropped a passing hint to that effect - and the bold deductive reasoning of Spinoza's Ethics, in process if not in result, betrays its kinship to the ontological argument, with its affirmation of what must be.
All Cyprian's literary works were written in connexion with his episcopal office; almost all his treatises and many of his letters have the character of pastoral epistles, and their form occasionally betrays the fact that they were intended as addresses.
By similar methods nature, unassisted, betrays herself but too often; in many instances - probably originating primarily in the nervous tissues themselves - the course of disease is observed to follow certain paths with remarkable consistency, as for instance in diseases of particular tracts of the spinal cord.