13 And God said to Noah, "The end of all flesh has come before Me, for the earth is filled with violence through them; and behold, I will destroy them with the earth. 14 "Make yourself an ark of gopherwood; make rooms in the ark, and cover it inside and outside with pitch. 15 And this is how you shall make it: The length of the ark shall be three hundred cubits, its width fifty cubits, and its height thirty cubits. 16 You shall make a window for the ark, and you shall finish it to a cubit from above; and set the door of the ark in its side. You shall make it with lower, second, and third decks. 17 And behold, I Myself am bringing floodwaters on the earth, to destroy from under heaven all flesh in which is the breath of life; everything that is on the earth shall die. 18 But I will establish My covenant with you; and you shall go into the ark--you, your sons, your wife, and your sons' wives with you. 19 And of every living thing of all flesh you shall bring two of every sort into the ark, to keep them alive with you; they shall be male and female. 20 Of the birds after their kind, of animals after their kind, and of every creeping thing of the earth after its kind, two of every kind will come to you to keep them alive. 21 And you shall take for yourself of all food that is eaten, and you shall gather it to yourself; and it shall be food for you and for them."
22 Thus Noah did; according to all that God commanded him, so he did.
Matthew Henry's Commentary on Genesis 6:13-22
Commentary on Genesis 6:12-21
(Read Genesis 6:12-21)
God told Noah his purpose to destroy the wicked world by water. The secret of the Lord is with them that fear him, Psalm 25:14. It is with all believers, enabling them to understand and apply the declarations and warnings of the written word. God chose to do it by a flood of waters, which should drown the world. As he chooses the rod with which he corrects his children, so he chooses the sword with which he cuts off his enemies. God established his covenant with Noah. This is the first place in the Bible where the word 'covenant' is found; it seems to mean, 1. The covenant of providence; that the course of nature shall be continued to the end of time. 2. The covenant of grace; that God would be a God to Noah, and that out of his seed God would take to himself a people. God directed Noah to make an ark. This ark was like the hulk of a ship, fitted to float upon the waters. It was very large, half the size of St. Paul's cathedral, and would hold more than eighteen of the largest ships now used. God could have secured Noah without putting him to any care, or pains, or trouble; but employed him in making that which was to be the means to preserve him, for the trial of his faith and obedience. Both the providence of God, and the grace of God, own and crown the obedient and diligent. God gave Noah particular orders how to make the ark, which could not therefore but be well fitted for the purpose. God promised Noah that he and his family should be kept alive in the ark. What we do in obedience to God, we and our families are likely to have the benefit of. The piety of parents gets their children good in this life, and furthers them in the way to eternal life, if they improve it.
Commentary on Genesis 6:22
(Read Genesis 6:22)
Noah's faith triumphed over all corrupt reasonings. To rear so large a building, such a one as he never saw, and to provide food for the living creatures, would require from him a great deal of care, and labour, and expense. His neighbours would laugh at him. But all such objections, Noah, by faith, got over; his obedience was ready and resolute. Having begun to build, he did not leave off till he had finished: so did he, and so must we do. He feared the deluge, and therefore prepared the ark. And in the warning given to Noah, there is a more solemn warning given to us, to flee from the wrath to come, which will sweep the world of unbelievers into the pit of destruction. Christ, the true Noah, which same shall comfort us, hath by his sufferings already prepared the ark, and kindly invites us by faith to enter in. While the day of his patience continues, let us hear and obey his voice.