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 look downcast like the hypocrites; for they disfigure their faces so that it may be apparent to men that they are fasting. In solemn truth I tell you, they already have received their reward. "But when one of you fasts, let him anoint his head and wash his face, read more. "so that he may not appear to men to be fasting, but to his Father who is in secret; and his Father who sees in secret will reward him.
As they came to the house of the warden of the synagogue, he gazed upon a tumult, many weeping and wailing shrilly.
Rejoice with those who rejoice, and weep with those who weep.
So comfort one another with these words.
For the Lamb in the midst of the throne Will shepherd them, And will lead them to fountains of living water; And God will wipe away every tear from their eyes."