Hebrews 9:17

For a testament is of force after men are dead: otherwise it is of no strength at all while the testator liveth.
— Hebrews 9:17, King James Version

In other translations

World English Bible (WEB)

For a will is in force where there has been death, for it is never in force while he who made it lives.

American Standard Version (ASV)

For a testament is of force where there hath been death: for it doth never avail while he that made it liveth.

Young's Literal Translation (YLT)

for a covenant over dead victims <FI>is<Fi> stedfast, since it is no force at all when the covenant-victim liveth,