stomach, as is written in Proverbs.188 They should flee conceit and pray continually, sing Psalms before sleeping and after, commit to heart the commandments enjoined in the Scriptures, and hark back to the deeds of the saints, that the soul by keeping in mind the commandments might train itself on the example of their zeal. He counselled them above all to ever bear in mind the Apostle’s word, Let not the sun go down upon your wrath,189 and to regard this as spoken of all the commandments alike: