Hebrews 9:17

For a testament is valid when men are dead; for else it is of no efficacy whilst the testator is alive.

Galatians 3:15

Brethren, I speak humanly; to use a similitude, a man's testament, if it be passed in legal form, no man can vacate, or add thereunto.

John 14:27

Peace I leave with you, my peace I give unto you: not as the world giveth, give I to you. Let not your heart be agitated, nor shrink back through fear.

Treasury of Scripture Knowledge

Summary

For a testament is of force after men are dead: otherwise it is of no strength at all while the testator liveth.

General references

Bible References

General references

John 14:27
Peace I leave with you, my peace I give unto you: not as the world giveth, give I to you. Let not your heart be agitated, nor shrink back through fear.