1 Corinthians 3:20

Greek	καὶplugin-autotooltip__default plugin-autotooltip_bigκαί greek Meaning * And * Also * Both * Even * Too * So Is a conjunction that connects single words or terms or sentences. IT is most frequently translated as “and” πάλιν, κύριος γινώσκει τοὺςplugin-autotooltip__default plugin-autotooltip_bigὁ greek The definite article διαλογισμοὺς τῶνplugin-autotooltip__default plugin-autotooltip_bigὁ greek The definite article σοφῶν ὅτι εἰσὶνplugin-autotooltip__default plugin-autotooltip_bigεἰμί greek εἰμί is the first person singular verb for “to be” (εἶναι [the infinitive form] = “to be”). It an irregular verb, and, like English, changes significantly between person and tense. For example εἰμί is the word for am and ἦν is the word for was, e.g. μάταιοι.
ESV	and again, “The Lord knows the thoughts of the wise, that they are futile.”
NIV	and again, “The Lord knows that the thoughts of the wise are futile.”
NLT	And again, “The LORD knows the thoughts of the wise; he knows they are worthless.”
KJV	And again, The Lord knoweth the thoughts of the wise, that they are vain.