Proverbs 16:26
The appetite of the laboring man labors for him, for his mouth urges him.
Ecclesiastes 6:7
All the labor of man is for his mouth, and yet the appetite is not filled.
Proverbs 9:12
If thou are wise, thou are wise for thyself. And if thou scoff, thou alone shall bear it.
Proverbs 14:23
In all labor there is profit, but the talk of the lips [tends] only to poverty.
1 Thessalonians 4:11-12
and to aspire to live quietly, and to do your own things, and to work with your own hands, just as we commanded you,
2 Thessalonians 3:8-12
nor did we eat bread gratis from any man, but in labor and toil, working night and day in order not to burden any of you.