James 5:12
But above all things, my brethren, swear not, neither by heaven, neither by the earth, neither by any other oath: but let your yea, be yea: and your nay, nay; lest ye fall into condemnation.
Matthew 5:33-37
Again, ye have heard that it hath been said to them of old time, Thou shalt not forswear thyself, but shalt perform to the Lord thy oaths:
Matthew 23:16-22
Woe to you, ye blind guides, who say, Whoever shall swear by the temple, it is nothing; but whoever shall swear by the gold of the temple, he is a debtor.
1 Corinthians 11:34
And if any man hungereth, let him eat at home; that ye come not together to condemnation. And the rest will I set in order when I come.
2 Corinthians 1:17-20
When I therefore was thus minded, did I use levity? or the things that I purpose, do I purpose according to the flesh, that with me there should be yea, yea, and nay, nay?
James 3:1-2
My brethren, be not many teachers, knowing that we shall receive the greater condemnation.
1 Peter 4:8
And above all things have fervent charity among yourselves: for charity will cover a multitude of sins.
3 John 1:2
Beloved, I wish above all things that thou mayest prosper and be in health, even as thy soul prospereth.