John 16:18
They said therefore, What is this that he saith, A little while? we cannot tell what he saith.
Cross-references
John 7:36
Parallel
In John 7:36, the Jews also question Jesus' meaning about going where they cannot come, echoing the disciples' confusion here.
Luke 9:45
Parallel
In Luke 9:45, the disciples fail to understand Jesus' words about His death — a direct parallel to their confusion here, even being afraid to ask.