Luke 15:7 King James Version (KJV)
I say unto you, that likewise joy shall be in heaven over one sinner that repenteth, more than over ninety and nine just persons, which need no repentance.

Confirming the souls of the disciples, and exhorting them to continue in the faith, and that we must through much tribulation enter into the kingdom of God. Acts 14:22 KJV https://bible.com/bible/1/act.14.22.KJV

O remember that my life is wind: mine eye shall no more see good. Job 7:7 KJV https://bible.com/bible/1/job.7.7.KJV

Whereas ye know not what shall be on the morrow. For what is your life? It is even a vapour, that appeareth for a little time, and then vanisheth away. James 4:14 KJV https://bible.com/bible/1/jas.4.14.KJV

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; I have overcome the world. John 16:33 KJV https://bible.com/bible/1/jhn.16.33.KJV

Remember the word that I said unto you, The servant is not greater than his Lord. If they have persecuted me, they will also persecute you; if they have kept my saying, they will keep yours also. John 15:20 KJV https://bible.com/bible/1/jhn.15.20.KJV

For my thoughts are not your thoughts, neither are your ways my ways, saith the Lord . Isaiah 55:8 KJV https://bible.com/bible/1/isa.55.8.KJV

Blessed are ye, when men shall revile you, and persecute you, and shall say all manner of evil against you falsely, for my sake. Matthew 5:11 KJV https://bible.com/bible/1/mat.5.11.KJV

Rejoice, and be exceeding glad: for great is your reward in heaven: for so persecuted they the prophets which were before you. Matthew 5:12 KJV https://bible.com/bible/1/mat.5.12.KJV