Matthew 9:15
9:15 Jesus said to them, “The wedding guests cannot mourn while the bridegroom is with them, can they? But the days are coming when the bridegroom will be taken from them, and then they will fast.
Matthew 24:30
24:30 Then the sign of the Son of Man will appear in heaven, and all the tribes of the earth will mourn. They will see the Son of Man arriving on the clouds of heaven with power and great glory.