Matthew 5:37

Let what you say be simply 'Yes' or 'No'; anything more than this comes from evil.

James 5:12

But above all, my brothers, do not swear, either by heaven or by earth or by any other oath, but let your "yes" be yes and your "no" be no, so that you may not fall under condemnation.

Matthew 13:19

When anyone hears the word of the kingdom and does not understand it, the evil one comes and snatches away what has been sown in his heart. This is what was sown along the path.

Matthew 13:38

The field is the world, and the good seed is the sons of the kingdom. The weeds are the sons of the evil one,

Matthew 15:19

For out of the heart come evil thoughts, murder, adultery, sexual immorality, theft, false witness, slander.

John 8:44

You are of your father the devil, and your will is to do your father's desires. He was a murderer from the beginning, and has nothing to do with the truth, because there is no truth in him. When he lies, he speaks out of his own character, for he is a liar and the father of lies.

John 17:15

I do not ask that you take them out of the world, but that you keep them from the evil one.

2 Corinthians 1:17-20

Was I vacillating when I wanted to do this? Do I make my plans according to the flesh, ready to say "Yes, yes" and "No, no" at the same time?

Ephesians 4:25

Therefore, having put away falsehood, let each one of you speak the truth with his neighbor, for we are members one of another.

Colossians 3:9

Do not lie to one another, seeing that you have put off the old self with its practices

Colossians 4:6

Let your speech always be gracious, seasoned with salt, so that you may know how you ought to answer each person.

2 Thessalonians 3:3

But the Lord is faithful. He will establish you and guard you against the evil one.

1 John 2:13

I am writing to you, fathers, because you know him who is from the beginning. I am writing to you, young men, because you have overcome the evil one. I write to you, children, because you know the Father.

1 John 3:12

We should not be like Cain, who was of the evil one and murdered his brother. And why did he murder him? Because his own deeds were evil and his brother's righteous.

1 John 5:18

We know that everyone who has been born of God does not keep on sinning, but he who was born of God protects him, and the evil one does not touch him.

Matthew 6:13

And lead us not into temptation, but deliver us from evil.

Treasury of Scripture Knowledge

Summary

But let your communication be, Yea, yea; Nay, nay: for whatsoever is more than these cometh of evil.

Bible References

Let

2 Corinthians 1:17
Was I vacillating when I wanted to do this? Do I make my plans according to the flesh, ready to say "Yes, yes" and "No, no" at the same time?
Colossians 4:6
Let your speech always be gracious, seasoned with salt, so that you may know how you ought to answer each person.
James 5:12
But above all, my brothers, do not swear, either by heaven or by earth or by any other oath, but let your "yes" be yes and your "no" be no, so that you may not fall under condemnation.

Cometh

Matthew 13:19
When anyone hears the word of the kingdom and does not understand it, the evil one comes and snatches away what has been sown in his heart. This is what was sown along the path.
Matthew 15:19
For out of the heart come evil thoughts, murder, adultery, sexual immorality, theft, false witness, slander.
John 8:44
You are of your father the devil, and your will is to do your father's desires. He was a murderer from the beginning, and has nothing to do with the truth, because there is no truth in him. When he lies, he speaks out of his own character, for he is a liar and the father of lies.
Ephesians 4:25
Therefore, having put away falsehood, let each one of you speak the truth with his neighbor, for we are members one of another.
Colossians 3:9
Do not lie to one another, seeing that you have put off the old self with its practices
James 5:12
But above all, my brothers, do not swear, either by heaven or by earth or by any other oath, but let your "yes" be yes and your "no" be no, so that you may not fall under condemnation.

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.