James 5:12

Above all things, my brothers, swear not, neither by heaven, nor the earth, nor any other oath. But let your yes be yes, and your no, no, that you may not fall under condemnation.

Matthew 5:33-37

Again, you have heard that it was said by 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, Whoever swears by the temple, it is nothing; but whoever swears by the gold of the temple, he is bound.

1 Corinthians 11:34

If any one is hungry let him eat at home, that you come not together for judgment. The other things I will arrange when I come.

2 Corinthians 1:17-20

Wishing this therefore, did I use lightness? or what I wish do I wish according to the flesh, that with me there may be the yes, yes, and the no, no?

James 3:1-2

BE not many of you teachers, my brothers, knowing that we shall receive a severer judgment.

1 Peter 4:8

above all things have fervent love one for another, for love hides a multitude of sins.

3 John 1:2

Beloved, I desire above all things that you may prosper and be in health, as your soul prospers.

Treasury of Scripture Knowledge

Summary

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.

Bible References

Above

1 Peter 4:8
above all things have fervent love one for another, for love hides a multitude of sins.
3 John 1:2
Beloved, I desire above all things that you may prosper and be in health, as your soul prospers.

Swear not

Matthew 5:33
Again, you have heard that it was said by the ancients, You shall not swear falsely, but shall perform to the Lord your oaths.
Matthew 23:16
Woe to you blind guides, who say, Whoever swears by the temple, it is nothing; but whoever swears by the gold of the temple, he is bound.

But

2 Corinthians 1:17
Wishing this therefore, did I use lightness? or what I wish do I wish according to the flesh, that with me there may be the yes, yes, and the no, no?

Lest

James 3:1
BE not many of you teachers, my brothers, knowing that we shall receive a severer judgment.
1 Corinthians 11:34
If any one is hungry let him eat at home, that you come not together for judgment. The other things I will arrange when I come.