Revelation 7:3-4

3 saying, "Do not damage the earth or the sea or the trees, until we have marked the servants of our God with a seal on their foreheads."
4 And I heard the number of those who were sealed, one hundred forty-four thousand, sealed out of every tribe of the people of Israel:

Footnotes 1

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.