Deuteronomy 26:14

I have not eaten thereof in my mourning, neither have I taken away ought thereof for any unclean use, nor given ought thereof for the dead: but I have hearkened to the voice of the Lord my God, and have done according to all that thou hast commanded me.

Cross-reference

Deuteronomy 12:17 forbids eating tithes at home—the same sacred portion the speaker here declares he handled properly, not in mourning or uncleanness.

Deuteronomy 16:11 commands rejoicing before the Lord at festivals—contrasting with the mourning that would disqualify one from eating the sacred tithe here.

Leviticus 7:20 Historical context

Leviticus 7:20 warns that eating sacred meat while unclean brings cutting off—directly underlying the declaration here of not eating while unclean.

Psalm 106:28 recounts Israelites eating sacrifices offered to the dead—the very pagan practice the speaker here claims to have avoided.

Hosea 9:4 Allusion

Hosea 9:4 describes mourners' bread defiling offerings—directly echoing the link between mourning and uncleanness regarding sacred food stated here.

Leviticus 10:19 has Aaron unable to eat the sin offering due to mourning for his sons—a direct case illustrating the rule stated here.

Leviticus 21:1 prohibits priests from becoming unclean for the dead—parallel to the layperson’s avoidance of death-defilement when handling holy things here.

Leviticus 21:11 bars the high priest from touching any dead body—a stricter extension of the same principle of avoiding death-defilement near sacred things.