Contradiction with John 14:1
In John 14:1, Jesus tells His disciples not to be troubled, which contrasts with John 16:6 where He acknowledges their sorrow.
John 14:1: Let not your heart be troubled: ye believe in God, believe also in me.
Contradiction with 1 Thessalonians 5:16
This verse urges believers to rejoice always, conflicting with the disciples' sorrow and grief indicated in John 16:6.
1 Thessalonians 5:16: Rejoice evermore.
Contradiction with Philippians 4:4
Paul encourages rejoicing in the Lord always, which contrasts with the disciples' reaction in John 16:6.
Philippians 4:4: Rejoice in the Lord alway: [and] again I say, Rejoice.
Contradiction with Matthew 5:12
Jesus advises rejoicing and being glad amidst persecution, different from the sorrow expressed by the disciples in John 16:6.
Matthew 5:12: Rejoice, and be exceeding glad: for great [is] your reward in heaven: for so persecuted they the prophets which were before you.