Commentaries:
Robertson's Word Pictures (NT)
Art thou a king then? (oukoun basileuv ei su). Compound of ouk and oun and is clearly ironical expecting an affirmative answer, only here in the N.T., and in LXX only in A text in II Kings 5:23.
Thou sayest that (su legeiv oti). In Matthew 27:11; Mark 15:2; Luke 23:3, su legeiv clearly means "yes," as su eipav (thou saidst) does in Matthew 26:64 (= "I am," egw eimi, in 41:62). Hence here oti had best be taken to mean "because": "Yes, because I am a king."
Have I been born (egw gegennhmai). Perfect passive indicative of gennaw. The Incarnation was for this purpose. Note repetition of eiv touto (for this purpose), explained by ina marturhsw th alhqeiai (that I may bear witness to the truth), ina with first aorist active subjunctive of marturew. Paul (I Timothy 6:13) alludes to this good confession when Christ bore witness (marturhsantov) before Pilate. Jesus bore such witness always (John 3:11, John 3:32; John 7:7; John 8:14; Revelation 1:5).
Other Robertson's Word Pictures (NT) entries containing John 18:37:
Mark 15:2
Luke 23:4
John 7:7
John 7:17
John 13:21
John 16:28
John 18:28
1 Timothy 1:15
1 John 5:18
Revelation 3:20
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