John Trapp on Job 30:21

Verſe 21 Thou art become cruel to me] Mutatus es mihi in tyrannum. thou art turned Tyrant towards me, ſo Brentius rendreth it: and the like he had ſaid before, chap. 16.13. and 19.8, 9, 10. out of the vehemency of his pain, and he ſenſe of his fleſh, which ſhould have been ſilenced, and faith exalted; the property whereof, is to pick one contrary out of another (as life out of death, aſſurance of deliverance out of deepeſt diſtreſſes, Deut. 32.36.) and to perſwade the heart that God concealeth his love, out of increaſement of love, and in very faithfulneſs afflicteth his darlings, that he may be true to their ſouls, Pſal. 1.19.75.

With thy ſtrong hand thou oppoſeſt thy ſelf againſt me] Heb. Thou bateſt me, Satanically hateſt me; Inteſtinum odium exerces adverſum me; Tremell. and accordingly thou doſt practiſe all thy might upon me. Thus Job in his heat, and that he may not ſeem to rage without reaſon, he ſubjoyneth