4 Bible Verses about Sharpness

For God's Message is full of life and power, and is keener than the sharpest two-edged sword. It pierces even to the severance of soul from spirit, and penetrates between the joints and the marrow, and it can discern the secret thoughts and purposes of the heart.

So there arose a serious disagreement between them, which resulted in their parting from one another, Barnabas taking Mark and setting sail for Cyprus.

For this reason I write thus while absent, that when present I may not have to act severely in the exercise of the authority which the Lord has given me for building up, and not for pulling down.

Then I looked, and a white cloud appeared, and sitting on the cloud was some One resembling the Son of Man, having a wreath of gold upon His head and in His hand a sharp sickle. And another, an angel, came out of the sanctuary, calling in a loud voice to Him who sat on the cloud, and saying, "Use your sickle and reap the harvest, for the hour for reaping it has come: the harvest of the earth is over-ripe." Then He who sat on the cloud flung His sickle on the earth, and the earth had its harvest reaped.read more.
And another angel came out from the sanctuary in Heaven, and he too carried a sharp sickle. And another angel came out from the altar--he who had power over fire--and he spoke in a loud voice to him who had the sharp sickle, saying, "Use your sharp sickle, and gather the bunches from the vine of the earth, for its grapes are now quite ripe."