You can know and complete the will of God through the wisdom, knowledge, and grace in Christ.

“always laboring fervently [agonizomai] for you in prayers, that you may stand perfect [teleios] and complete [pleroo=fulfill] in all the will of God.” (Col 4:12)

that our God would count you worthy of this calling, and fulfill [pleroo] all the good pleasure of His goodness and the work of faith with power” (2Thes 1:11)

“and to ask that you may be filled [pleroo] with the knowledge of His will in all wisdom and spiritual understanding” (Col 1:9)

“but as bondservants of Christ, doing the will of God from the heart [psuche]” (Eph 6:6)

“Therefore, brethren, be even more diligent [spoudazo] to make your call and election sure [bebaios=guaranteed], for if you do these things you will never stumble” (2Pet 1:10)

“But of Him you are in Christ Jesus, who became for us wisdom from God—and righteousness and sanctification and redemption” (Col 1:30)

“the eyes of your understanding being enlightened; that you may know what is the hope of His calling” (Eph 1:18)

“I, therefore, the prisoner of the Lord, beseech you to walk worthy of the calling with which you were called” (Eph 4:1)

“who has saved us and called us with a holy calling, not according to our works, but according to His own purpose and grace which was given to us in Christ Jesus before time began” (2Tim 1:9)

“that you may walk worthy of the Lord, fully pleasing Him” (Col 1:10)

“But let patience have its perfect [teleios] work, that you may be perfect [teleios] and complete [holokleros=whole, not fractured], lacking nothing.” (Jm 1:4)

“Now may the God of peace Himself sanctify you completely [holotelos=end up entirely completed]; and may your whole [holokleros=unified] spirit, soul, and body be preserved [tereos] blameless [amemptos] at the coming of our Lord Jesus Christ.” (1Thes 5:23)

“This hope we have as an anchor of the soul, both sure and steadfast [bebaios], and which enters the Presence behind the veil” (Heb 6:19)

Reading: Ezek 39-41; Col 4