The word perfect is to be examined closely in this text. Applicable today.
Corinthians 2:6,7...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: But we speak the wisdom of God in a mystery, even the hidden wisdom, which God ordained before the world unto our glory
teleios: having reached its end, i.e. complete, by ext. perfect
Original Word: τέλειος, α, ον
Part of Speech: Adjective
Phonetic Spelling: (tel'-i-os)
Short Definition: perfect, full-grown
Definition: perfect, (a) complete in all its parts, (b) full grown, of full age, (c) specially of the completeness of Christian character.
Cognate: 5046 téleios (an adjective, derived from 5056 /télos, "consummated goal") – mature (consummated) from going through the necessary stages to reach the end-goal, i.e. developed into a consummating completion by fulfilling the necessary process (spiritual journey). See 5056 (telos).