O ye who believe! When ye meet a force, be firm, and call Allah in remembrance much (and often); that ye may prosper:
‘Remembering God’ in battle means to shout, “Allahu Akbar” or “God is Great,” and other such phrases.
Emerick, Yahiya. The Meaning of the Holy Qur’an in Today’s English (p. 829). Unknown. Kindle Edition.