Ephesians 6:17
And take the helmet of salvation, and the sword of the Spirit, which is the word of God:
Torrey's Topical Textbook—AKJV

1 Thessalonians 5:8
But let us, who are of the day, be sober, putting on the breastplate of faith and love; and for an helmet, the hope of salvation.
Torrey's Topical Textbook—AKJV