Jeremiah 16:5-7
Indeed, this is what the LORD says: “Do not enter a house where there is a funeral meal. Do not go to mourn or show sympathy, for I have removed from this people My peace, My loving devotion, and My compassion,” declares the LORD. / “Both great and small will die in this land. They will not be buried or mourned, nor will anyone cut himself or shave his head for them. / No food will be offered to comfort those who mourn the dead; not even a cup of consolation will be given for the loss of a father or mother.

Leviticus 10:6-7
Then Moses said to Aaron and his sons Eleazar and Ithamar, “Do not let your hair become disheveled and do not tear your garments, or else you will die, and the LORD will be angry with the whole congregation. But your brothers, the whole house of Israel, may mourn on account of the fire that the LORD has ignited. / You shall not go outside the entrance to the Tent of Meeting, or you will die, for the LORD’s anointing oil is on you.” So they did as Moses instructed.

2 Samuel 12:15-23
After Nathan had gone home, the LORD struck the child that Uriah’s wife had borne to David, and he became ill. / David pleaded with God for the boy. He fasted and went into his house and spent the night lying in sackcloth on the ground. / The elders of his household stood beside him to help him up from the ground, but he was unwilling and would not eat anything with them. ...

Hosea 9:4
They will not pour out wine offerings to the LORD, and their sacrifices will not please Him, but will be to them like the bread of mourners; all who eat will be defiled. For their bread will be for themselves; it will not enter the house of the LORD.

Isaiah 22:12-13
On that day the Lord GOD of Hosts called for weeping and wailing, for shaven heads and the wearing of sackcloth. / But look, there is joy and gladness, butchering of cattle and slaughtering of sheep, eating of meat and drinking of wine: “Let us eat and drink, for tomorrow we die!”

Jeremiah 7:29
Cut off your hair and throw it away. Raise up a lamentation on the barren heights, for the LORD has rejected and forsaken the generation of His wrath.’

Amos 6:6
You drink wine by the bowlful and anoint yourselves with the finest oils, but you fail to grieve over the ruin of Joseph.

Matthew 9:15
Jesus replied, “How can the guests of the bridegroom mourn while He is with them? But the time will come when the bridegroom will be taken from them; then they will fast.

Luke 5:34-35
Jesus replied, “Can you make the guests of the bridegroom fast while He is with them? / But the time will come when the bridegroom will be taken from them; then they will fast.”

John 16:20
Truly, truly, I tell you, you will weep and wail while the world rejoices. You will grieve, but your grief will turn to joy.

1 Thessalonians 4:13
Brothers, we do not want you to be uninformed about those who sleep in death, so that you will not grieve like the rest, who are without hope.

1 Corinthians 7:30
those who weep, as if they did not; those who are joyful, as if they were not; those who make a purchase, as if they had nothing;

Matthew 11:17
‘We played the flute for you, and you did not dance; we sang a dirge, and you did not mourn.’

Luke 7:32
They are like children sitting in the marketplace and calling out to one another: ‘We played the flute for you, and you did not dance; we sang a dirge, and you did not weep.’

Revelation 18:7-8
As much as she has glorified herself and lived in luxury, give her the same measure of torment and grief. In her heart she says, ‘I sit as queen; I am not a widow and will never see grief.’ / Therefore her plagues will come in one day—death and grief and famine—and she will be consumed by fire, for mighty is the Lord God who judges her.”