NET
6 Now we do speak wisdom among the mature, but not a wisdom of this age or of the rulers of this age, who are perishing.
Darby
6 But we speak wisdom among the perfect; but wisdom not of this world, nor of the rulers of this world, who come to nought.
KJV
6 Howbeit we speak wisdom among them that are perfect: yet not the wisdom of this world, nor of the princes of this world, that come to nought: