וַתְּאַזְּרֵ֣נִי חַ֭יִל לַמִּלְחָמָ֑ה תַּכְרִ֖יעַ קָמַ֣י תַּחְתָּֽי׃
For Thou hast girded me with strength unto the battle; Thou hast subdued under me those that rose up against me.
Read kabbalistic (mystical) interpretation of Psalms 18:40: and classical mystical sources.