'Walking' in the Bible

but did renounce for ourselves the hidden things of shame, not walking in craftiness, nor deceitfully using the word of God, but by the manifestation of the truth recommending ourselves unto every conscience of men, before God;

and I beseech you, that, being present, I may not have courage, with the confidence with which I reckon to be bold against certain reckoning us as walking according to the flesh;

for walking in the flesh, not according to the flesh do we war,