Psalm 80:5
"Thou feedest them with the bread of tears; and givest them tears to drink in great measure."
Cross References (ranked by relevance)
Psalm 42:3
My tears have been my meat day and night, while they continually say unto me, Where is thy God?
Isaiah 30:20
And though the Lord give you the bread of adversity, and the water of affliction, yet shall not thy teachers be removed into a corner any more, but thine eyes shall see thy teachers:
Psalm 102:9
For I have eaten ashes like bread, and mingled my drink with weeping,
Job 6:7
The things that my soul refused to touch are as my sorrowful meat.