1 Thessalonians 5:3

For when they will say, "Peace and security!" then destruction will suddenly overwhelm them, like the labor pains of a woman with child, and they will not escape

Other versions

King James Version

For when they shall say, Peace and safety; then sudden destruction cometh upon them, as travail upon a woman with child; and they shall not escape.

English Standard Version

While people are saying, "There is peace and security," then sudden destruction will come upon them as labor pains come upon a pregnant woman, and they will not escape.

New International Version

While people are saying, "Peace and safety," destruction will come on them suddenly, as labor pains on a pregnant woman, and they will not escape.