Psalm 50:8-23 and Isaiah 1:10-17

Psalm 50:8-23
 8 I will not reprove you for your sacrifices. Moreover, your holocausts are ever in my sight.
9 I will not accept calves from your house, nor he-goats from your flocks.
10 For all the wild beasts of the forest are mine: the cattle on the hills and the oxen.
11 I know all the flying things of the air, and the beauty of the field is with me.
12 If I should be hungry, I would not tell you: for the whole world is mine, and all its plentitude.
13 Shall I gnaw on the flesh of bulls? Or would I drink the blood of goats?
14 Offer to God the sacrifice of praise, and pay your vows to the Most High.
15 And call upon me in the day of tribulation. I will rescue you, and you will honor me.
16 But to the sinner, God has said: Why do you discourse on my justices, and take up my covenant through your mouth?
17 Truly, you have hated discipline, and you have cast my sermons behind you.
18 If you saw a thief, you ran with him, and you have placed your portion with adulterers.
19 Your mouth has abounded with malice, and your tongue has concocted deceits.
20 Sitting, you spoke against your brother, and you set up a scandal against your mother's son.
21 These things you have done, and I was silent. You thought, unjustly, that I ought to be like you. But I will reprove you, and I will set myself against your face.
22 Understand these things, you who forget God; lest at any time, he might quickly take you away, and there would be no one to rescue you.
23 The sacrifice of praise will honor me. And in that place is the journey by which I will reveal to him the salvation of God.
Isaiah 1:10-17
10 Listen to the Word of the Lord, you leaders of the people of Sodom. Listen closely to the law of our God, O people of Gomorrah.
11 The multitude of your sacrifices, what is that to me, says the Lord? I am full. I do not desire holocausts of rams, nor the fat of fatlings, nor the blood of calves and of lambs and of he-goats.
12 When you approach before my sight, who is it that requires these things from your hands, so that you would walk in my courts?
13 You should no longer offer sacrifice vain. Incense is an abomination to me. The new moons and the Sabbaths and the other feast days, I will not receive. Your gatherings are iniquitous.
14 My soul hates your days of proclamation and your solemnities. They have become bothersome to me. I labor to endure them.
15 And so, when you extend your hands, I will avert my eyes from you. And when you multiply your prayers, I will not heed you. For your hands are full of blood.
16 Wash, become clean, take away the evil of your intentions from my eyes. Cease to act perversely.
17 Learn to do good. Seek judgment, support the oppressed, judge for the orphan, defend the widow.