Question 3 - From where do you know your sins and misery?
Answer - From the law of God.¹

¹ Rom. 3: 20;

Question 4 - What does God's law require of us?
Answer - Christ teaches us this in a summary in Matthew 22: You shall love the LORD your God with all your heart, and with all your soul, and with all your mind.¹ This is the great and first commandment. And a second is like it, You shall love your neighbour as yourself. On these two commandments depend all the law and the prophets.²

¹ Deut. 6:5. ² Lev. 19:18.

Question 5 - Can you keep all this perfectly?
Answer - No,¹ I am inclined by nature to hate God and my neighbour.²

¹ Rom. 3:10, 23; I John 1:8, 10. ² Gen. 6:5; 8:21; Jer. 17:9; Rom. 7:23; 8:7; Eph. 2:3; Tit. 3:3.