Genesis 21:24

And Abraham said, I will swear.

Genesis 14:13

And there came one who had escaped. And he told Abram the Hebrew, for he lived in the plains of Mamre the Amorite, brother of Eshcol and brother of Aner. And these had a covenant with Abram.

Romans 12:18

If it is possible, as far as is in you, being in peace with all men.

Hebrews 6:16

For men truly swear by the greater, and an oath for confirmation is to them an end of all strife.

Treasury of Scripture Knowledge

Summary

And Abraham said, I will swear.

Bible References

General references

Genesis 14:13
And there came one who had escaped. And he told Abram the Hebrew, for he lived in the plains of Mamre the Amorite, brother of Eshcol and brother of Aner. And these had a covenant with Abram.
Romans 12:18
If it is possible, as far as is in you, being in peace with all men.
Hebrews 6:16
For men truly swear by the greater, and an oath for confirmation is to them an end of all strife.