For all have sinned and fall short of the glory of God.
Romans 3:23

Therefore, just as sin entered the world through one man, and death through sin, and in this way death came to all people, because all sinned.
Romans 5:12 

  The heart is deceitful above all things and beyond cure. Who can understand it?
Jeremiah 17:9

 We all, like sheep, have gone astray, each of us has turned to our own way; and the Lord has laid on him the iniquity of us all.
Isaiah 53:6 

 For I know that good itself does not dwell in me, that is, in my sinful nature. For I have the desire to do what is good, but I cannot carry it out. For I do not do the good I want to do, but the evil I do not want to do — this I keep on doing.
Romans 7:18–19 

 “This is what the Lord Almighty says: ‘I will punish the Amalekites for what they did to Israel when they waylaid them as they came up from Egypt. Now go, attack the Amalekites and totally destroy all that belongs to them. Do not spare them; put to death men and women, children and infants, cattle and sheep, camels and donkeys.’”
1 Samuel 15:2–3 

 But Saul and the army spared Agag and the best of the sheep and cattle, the fat calves and lambs — everything that was good. These they were unwilling to destroy completely, but everything that was despised and weak they totally destroyed.
1 Samuel 15:9 

 I do not understand what I do. For what I want to do I do not do, but what I hate I do.
Romans 7:15 

Then the word of the Lord came to Samuel: “I am grieved that I have made Saul king, because he has turned away from me and has not carried out my instructions.” Samuel was angry, and he cried out to the Lord all that night.
1 Samuel 15:10–11 

 When Samuel reached him, Saul said, “The Lord bless you! I have carried out the Lord’s instructions.”
1 Samuel 15:13 

But Samuel said, “What then is this bleating of sheep in my ears? What is this lowing of cattle that I hear?”
1 Samuel 15:14 

Saul answered, “The soldiers brought them from the Amalekites; THEY spared the best of the sheep and cattle to sacrifice to the Lord your God, but we totally destroyed the rest.”
1 Samuel 15:15  

“STOP!” Samuel said to Saul. “Let me tell you what the Lord said to me last night.”
1 Samuel 15:16 

 “But I did obey the Lord,” Saul said. “I went on the mission the Lord assigned me. I completely destroyed the Amalekites and brought back Agag their king.”
1 Samuel 15:20

  “The soldiers took sheep and cattle from the plunder, the best of what was devoted to God, in order to sacrifice them to the Lord YOUR God at Gilgal.”
1 Samuel 15:21

  But Samuel replied: “Does the Lord delight in burnt offerings and sacrifices as much as in obeying the Lord? To OBEY is better than sacrifice, and to heed is better than the fat of rams.”
1 Samuel 15:22

  “For rebellion is like the sin of divination, and arrogance like the evil of idolatry. Because you have rejected the word of the Lord, he has rejected you as king.”
1 Samuel 15:23

 For the grace of God has appeared that offers salvation to all people. It teaches us to say ‘No’ to ungodliness and worldly passions, and to live self-controlled, upright and godly lives in this present age.
Titus 2:11–12 

No temptation has overtaken you except what is common to mankind. And God is faithful; he will not let you be tempted beyond what you can bear. But when you are tempted, he will also provide a way out so that you can endure it.
1 Corinthians 10:13