James 5:12
But above all things, my brethren, swear not, either by Heaven, or by earth, or by any other oath; but let yours be "the yes, yes," and "the no, no"; that ye fall not under condemnation.
Matthew 5:33-37
"Again ye heard that it was said to the ancients, You shall not swear falsely, but shall perform to the Lord your oaths;"
Matthew 23:16-22
"Woe to you, blind guides, who say, 'Whosoever swears by the temple, it is nothing; but whosoever swears by the gold of the temple, he is a debtor!'
1 Corinthians 11:34
If any one is hungry, let him eat at home, that ye come not together unto judgment. And the rest I will set in order, when I come.
2 Corinthians 1:17-20
When, therefore, I was purposing this, did I manifest fickleness or the things which I purpose, do I purpose according to the flesh, that with me there should be the "Yea, yea," and the "Nay, nay?"
James 3:1-2
My brethren, become not many of you teachers, knowing that we shall receive the greater judgment.
1 Peter 4:8
above all things, having fervent love among yourselves, because love covers a multitude of sins;
3 John 1:2
Beloved, I pray that, in all things, you may be prosperous, and be in health, even as your soul prospers.