For God so loved the world, that he gave his one and only Son, that whoever believes in him should not perish, but have eternal life.
This whole chapter may be read in less than five minutes; and thus there is nothing unusual or atypical in the Master's brief exhortation of Nicodemus concerning those "heavenly things" mentioned in  John 3:12.  To make of these short remarks some big sermon and to allege on that basis that the interview must have been terminated already is to overlook the near certainty that this interview was longer than a mere five minutes. Moreover, after Nicodemus rejected what Jesus said, exclaiming, "How can these things be?" it was altogether natural for Jesus to have continued for a few moments without any further interruption from Nicodemus.  This and the following reasons for rejection of the idea of a break at this point are weighty enough for doing so.