Isaiah 66:16

16 For by fire will the Lord execute judgment, and by his sword, on all flesh; and those slain by the Lord shall be many.

Isaiah 66:16 In-Context

14 You shall see, and your heart shall rejoice; your bodies shall flourish like the grass; and it shall be known that the hand of the Lord is with his servants, and his indignation is against his enemies.
15 For the Lord will come in fire, and his chariots like the whirlwind, to pay back his anger in fury, and his rebuke in flames of fire.
16 For by fire will the Lord execute judgment, and by his sword, on all flesh; and those slain by the Lord shall be many.
17 Those who sanctify and purify themselves to go into the gardens, following the one in the center, eating the flesh of pigs, vermin, and rodents, shall come to an end together, says the Lord.
18 For I know their works and their thoughts, and I am coming to gather all nations and tongues; and they shall come and shall see my glory,
New Revised Standard Version Bible, copyright 1989, Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.