Proverbs 20:25
It is a trap for a person to declare quickly, "This is sacred," and only later to have second thoughts about the vows.
Leviticus 5:15
"When a person commits a truly treacherous act and sins inadvertently concerning the sacred things of the LORD, then he is to bring a trespass offering to the LORD from the flock as compensation for his guilt. It is to be a ram without defect, estimated as to its value in silver shekels, according to the sanctuary shekel.
Leviticus 22:10-15
"No resident alien is to eat anything sacred. Neither the visitor of the priest nor a hired laborer is to eat anything sacred.
Leviticus 27:9-10
"If it's an animal from which they make an offering to the LORD, everything that he gives to the LORD from it will be holy.
Leviticus 27:30-31
"Any tithes of the land from grain grown on the land or from fruit grown on the trees belong to the LORD. They are sacred to the LORD.
Numbers 30:2-16
"When a man makes a vow to the LORD, or swears an oath an obligation that is binding to himself he is not to break his word. Instead, he is to fulfill whatever promise came out of his mouth.'"
Proverbs 18:7
A fool's mouth is his unraveling, and his lips entrap himself.
Ecclesiastes 5:4-6
When you make a promise to God, don't fail to keep it, since he isn't pleased with fools. Keep what you promise
Malachi 3:8-10
"Will a person rob God? Yet you are robbing me! But you ask, "How are we robbing you?' "By the tithe and the offering.
Matthew 5:33
"Again, you have heard that it was told those who lived long ago, "You must not swear an oath falsely,' but, "You must fulfill your oaths to the Lord.'