Without protecting his head, a soldier in Bible times could easily lose his life in battle.
بِشَكْلٍ مُمَاثِلٍ ،‏ نَحْنُ نُقَوِّي رَجَاءَنَا بِقُدْرَةِ يَهْوَهَ عَلَى إِنْقَاذِنَا مِنْ خِلَالِ دَرْسِ ٱلْكِتَابِ ٱلْمُقَدَّسِ .‏