Jeremiah 31 - The LORD will turn mourning to Joy; the new covenant

Jeremiah 32 - Jeremiah buys a field during the siege; Jeremiah prays for understanding; they shall be my people; I will be their God

Ecclesiastes 8 - keep the king's command; those who fear God will do well; man cannot know God's ways

Hebrews 6 - the certainty of God's promise