Ephesians

Ephesians 6:10
" Finally my brethren, be strong in the Lord, and in the power of his might."

Ephesians 6:11
"Put on the whole armor of God, that ye may be able to stand against the wiles of the devil."

Ephesians 6:12
"For we wrestle not against flesh and blood, but against principalities, against powers, against the rulers of the darkness of this world, against spiritual wickedness in high places."