"Again, you have heard that the law of Moses says, 'Do not break your vows; you must carry out the vows you have made to the Lord.'
References for Matthew 5:33
But I say, don't make any vows! If you say, 'By heaven!' it is a sacred vow because heaven is God's throne.
And if you say, 'By the earth!' it is a sacred vow because the earth is his footstool. And don't swear, 'By Jerusalem!' for Jerusalem is the city of the great King.
Don't even swear, 'By my head!' for you can't turn one hair white or black.
Just say a simple, 'Yes, I will,' or 'No, I won't.' Your word is enough. To strengthen your promise with a vow shows that something is wrong. "
References for Matthew 5:37
"You have heard that the law of Moses says, 'If an eye is injured, injure the eye of the person who did it. If a tooth gets knocked out, knock out the tooth of the person who did it.'
References for Matthew 5:38
But I say, don't resist an evil person! If you are slapped on the right cheek, turn the other, too.
If you are ordered to court and your shirt is taken from you, give your coat, too.
If a soldier demands that you carry his gear for a mile, carry it two miles.
References for Matthew 5:41
Give to those who ask, and don't turn away from those who want to borrow."
"You have heard that the law of Moses says, 'Love your neighbor' and hate your enemy.
References for Matthew 5:43