Matthew 18:15-20
Moreover if your brother shall trespass against you, go and tell him his fault between you and him alone: if he shall hear you, you have gained your brother.
Topicalbible.org—AKJV

Hebrews 10:26
For if we sin willfully after that we have received the knowledge of the truth, there remains no more sacrifice for sins,
Topicalbible.org—AKJV

Malachi 3:10
Bring you all the tithes into the storehouse, that there may be meat in my house, and prove me now herewith, said the LORD of hosts, if I will not open you the windows of heaven, and pour you out a blessing, that there shall not be room enough to receive it.
Topicalbible.org—AKJV