2 Timothy 2:15
15 Do your best to present yourself to God as one approved,1 a worker bwho has no need to be ashamed, rightly handling the word of truth.
2 Timothy 3:16–17
16 dAll Scripture is breathed out by God and profitable for teaching, for reproof, for correction, and for training in righteousness, 17 that ethe man of God1 may be complete, fequipped gfor every good work.