Reference: Mourning Customs
Hastings
The Oriental expression of grief has a twofold relationship. Towards God it is marked by silent and reverent submission symbolized by placing the hand on the mouth. 'The Lord gave and the Lord hath taken away' (Job 1:21); 'I was dumb
See Verses Found in Dictionary
"When you fast, do not put on a gloomy look, like the hypocrites, for they neglect their personal appearance to let people see that they are fasting. I tell you, that is all the reward they will get. But when you fast, perfume your hair and wash your face, read more. so that no one may see that you are fasting, except your Father who is unseen, and your Father who sees what is secret, will reward you.
They came to the house of the leader of the synagogue, and there he found everything in confusion, and people weeping and wailing.
Rejoice with those who rejoice, weep with those who weep.
Therefore, encourage one another with this truth.
for the Lamb who is in the center of the throne will be their shepherd, and will guide them to springs of living water, and God will wipe every tear from their eyes."