Jesus says:
“These things I have spoken unto you, that in Me ye might have peace. In the world ye shall have tribulation: But be of good cheer for I have overcome the world,” John 16:33.
“Verily, verily, I say unto you. The servant is not greater than his lord; neither he that is sent greater than he who sent him. If ye know these things, happy are ye if ye do them.” John 13:16-17.
“Let not your hearts be troubled,” John 14:1.
Acts 27:34, Paul said, “there shall not an hair fall from the head of any of you.” Vs. 36: “Then were they all of good cheer.”
Romans 15:13, “ Now the God of hope fill you with all joy and peace in believing, that ye may abound in hope, through the power of the Holy Ghost.”