Luke 13:23
"Then said one unto him, Lord, are there few that be saved? And he said unto them,"
Cross References (ranked by relevance)
Matthew 7:14
13
Because strait is the gate, and narrow is the way, which leadeth unto life, and few there be that find it.
Matthew 22:14
For many are called, but few are chosen.
Matthew 20:16
So the last shall be first, and the first last: for many be called, but few chosen.
Matthew 19:25
When his disciples heard it, they were exceedingly amazed, saying, Who then can be saved?