Contradiction with 2 Chronicles 20:20
Here, instead of not returning, the people are encouraged to go forth and return with faith in God, contrasting with the idea of not going back.
2 Chronicles 20:20: And they rose early in the morning, and went forth into the wilderness of Tekoa: and as they went forth, Jehoshaphat stood and said, Hear me, O Judah, and ye inhabitants of Jerusalem; Believe in the LORD your God, so shall ye be established; believe his prophets, so shall ye prosper.
Contradiction with Matthew 28:19
This verse encourages going forth into all nations to teach, which contradicts the instruction of not returning back.
Matthew 28:19: Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost: [teach...: or, make disciples, or, Christians of all nations]
Contradiction with Luke 9:62
This verse emphasizes not looking back or returning, which may seem contradictory if interpreted as a call to stay steadfast in current missions.
Luke 9:62: And Jesus said unto him, No man, having put his hand to the plough, and looking back, is fit for the kingdom of God.
Contradiction with John 4:35
Encourages looking outward to the fields ready for harvest, perhaps contradicting the idea of staying and not returning back.
John 4:35: Say not ye, There are yet four months, and [then] cometh harvest? behold, I say unto you, Lift up your eyes, and look on the fields; for they are white already to harvest.
Contradiction with Acts 1:8
The command to spread out and witness to the ends of the earth contrasts with the concept of not returning to a previous place.
Acts 1:8: But ye shall receive power, after that the Holy Ghost is come upon you: and ye shall be witnesses unto me both in Jerusalem, and in all Judaea, and in Samaria, and unto the uttermost part of the earth. [power...: or, the power of the Holy Ghost coming upon you]