In the King James version, the word - salvation - appears 5 times in Luke's Gospel
Jesus Christ says the word, "truly," 4 times in the King James Version of St. Luke. They are found in the following references: Luke 10:2 Luke 11:48 Luke 20:21 Luke 22:22
Luke was a physician (Doctor) who traveled with the Apostle Paul many times. He was well acquainted with the Gospel (the Good News about Jesus Christ and salvation). He was led by the Holy Spirit to write "The Gospel according to Luke". So to your question, Luke was a doctor and a writer of one of the gospels.
The word 'salvation' appears 171 times in the KJV Bible.
Jesus never said that, because He is not the way to salvation, He is the salvation Luke 2:30 - "For mine eyes have seen thy salvation", and He is the only way to God, John 14:6- "Jesus saith unto him, I am the way, the truth, and the life: no man cometh unto the Father, but by me." How many times Jesus said one thing or another we cannot know, but if He said it once, it is enough to bet your life on it.
Be not afraid is said in gospel of Luke 69 times
12,440 times in whole bible
20
The word "servant" appears 19 times in the Gospel of Luke.
Four times in the KJV.
12 times.
Just once in Luke 24:47
3