Matthew 5:37

Simply let your 'Yes' be 'Yes,' and your 'No,' 'No'; anything more than this comes from evil.

James 5:12

But above all, my brethren, do not swear, either by heaven or by earth or with any other oath, but let your yes be yes and your no be no, 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 was sown in his heart. This is the seed sown along the path.

Matthew 13:38

the field is the world, and the good seed stands for 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, fornications, theft, false witness, slander.

John 8:44

You are of your father the devil, and you want to do your father's desires. He was a murderer from the beginning, and does not stand in the truth, because there is no truth in him. When he lies, he speaks according to his own nature, for he is a liar and the father of lies.

John 17:15

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

2 Corinthians 1:17-20

When I was planning this, did I do it lightly? Or do I make my plans in a fleshly manner so that in the same breath I say, "Yes, Yes" and "No, No"?

Ephesians 4:25

Therefore, laying aside falsehood, each one of you must speak truth with his neighbor, for we are members of one another.

Colossians 3:9

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

Colossians 4:6

Let your speech always be full of grace, seasoned with salt, so that you may know how you ought to answer everyone.

2 Thessalonians 3:3

But the Lord is faithful, and he will strengthen and protect you from the evil one.

1 John 2:13

I write to you, fathers, because you have known him who is from the beginning. I write to you, young men, because you have overcome the evil one.

1 John 3:12

and 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 anyone born of God does not sin; but he who was born of God keeps 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
When I was planning this, did I do it lightly? Or do I make my plans in a fleshly manner so that in the same breath I say, "Yes, Yes" and "No, No"?
Colossians 4:6
Let your speech always be full of grace, seasoned with salt, so that you may know how you ought to answer everyone.
James 5:12
But above all, my brethren, do not swear, either by heaven or by earth or with any other oath, but let your yes be yes and your no be no, 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 was sown in his heart. This is the seed sown along the path.
Matthew 15:19
For out of the heart come evil thoughts, murder, adultery, fornications, theft, false witness, slander.
John 8:44
You are of your father the devil, and you want to do your father's desires. He was a murderer from the beginning, and does not stand in the truth, because there is no truth in him. When he lies, he speaks according to his own nature, for he is a liar and the father of lies.
Ephesians 4:25
Therefore, laying aside falsehood, each one of you must speak truth with his neighbor, for we are members of one another.
Colossians 3:9
Do not lie to one another, since you have put off the old self with its practices
James 5:12
But above all, my brethren, do not swear, either by heaven or by earth or with any other oath, but let your yes be yes and your no be no, that you may not fall under condemnation.