Isaiah 38:3

“And said, remember now, O Lord, I beseech thee, &c.] He puts the Lord in mind of his good walk and works, which are never forgotten by him, though they may seem to be: and this he the rather did, because it might be thought that he had been guilty of some very enormous crime, which he was not conscious to himself he had; it being unusual to cut men off in the prime of their days, but in such a case: how I have walked before thee in truth, and with a perfect heart; or rather, “that I have walked before thee”, as Noldius, since the manner of walking is declared in express terms; so the Targum, Syriac, and Arabic versions, and others; that the course of his life in the sight of God, having the…”

“He mentions his past religious consistency, not as a boast or a ground for justification; but according to the Old Testament dispensation, wherein temporal rewards (as long life, &c., Exo 20:12) followed legal obedience, he makes his religious conduct a plea for asking the prolongation of his life. walked--Life is a journey; the pious "walk with God" (Gen 5:24; Kg1 9:4). perfect--sincere; not absolutely perfect, but aiming towards it (Mat 5:45); single-minded in walking as in the presence of God (Gen 17:1). The letter of the Old Testament legal righteousness was, however, a standard very much below the spirit of the law as unfolded by Christ (Mat. 5:20-48; Co2 3:6, Co2 3:14, Co2 3:17). wept…”

“And said, Remember now, O Lord, I beseech thee - The object which Hezekiah desired was evidently that his life might be spared, and that he might not be suddenly cut off. He therefore makes mention of the former course of his life, not with ostentation, or as a ground of his acceptance or justification, but as a reason why his limb should not be cut off. He had not lived as many of the kings of Israel had done. He had not been a patron of idolatry. He had promoted an extensive and thorough reformation among the people. He had exerted his influence as a king in the service of Yahweh, and it was his purpose still to do it; and he, therefore, prayed that his life might be spared in order that…”

“38:3 I have always been faithful to you: Hezekiah’s heart was right with the Lord for most of his reign (2 Kgs 18:1-5), although his dependence on Egypt was a time of weakness when he did not act faithfully (Isa 31:1-9).”

“Remember: Neh 5:19, Neh 13:14, Neh 13:22, Neh 13:31; Psa 18:20-27, Psa 20:1-3; Heb 6:10 I have: Gen 5:22, Gen 5:23, Gen 6:9, Gen 17:1; Kg1 2:4; Ch2 31:20, Ch2 31:21; Job 23:11, Job 23:12; Psa 16:8; Psa 32:2; Joh 1:47; Co2 1:12; Jo1 3:21, Jo1 3:22 a perfect: Kg1 15:14; Ch1 29:9, Ch1 29:19; Ch2 16:9, Ch2 25:2; Psa 101:2, Psa 119:80 wept: Sa2 12:21, Sa2 12:22; Ezr 10:1; Neh 1:4; Psa 6:8, Psa 102:9; Hos 12:4; Heb 5:7 sore: Heb. with great weeping Isaiah 38:5”