The theme of assurance and security in the book of Daniel
As you begin to read the Book of Daniel, you read a book that is partly historical, partly prophetic and also devotional. Like a three braided rope are these three themes weaving their way through Daniel book. In Daniel 1:1-2:18 we see Daniel as a 15 year-old lad, along with his friends, taken away into Exile in Babylon, some 800 miles from their Jewish homeland.
Such assurance is not only found in Daniel, but is also focused upon in the book of 1 John. The book of 1 John is written to give assurance of salvation to those who have believed on Jesus Christ unto eternal life. (1 John 5:13) In 1 John 1, we see that God is the fountain of assurance (1:1-4); closeness to God clarifies assurance (1:5-7) and confession of sin restored assurance (1:8-10). What must be kept in view is that in the doctrine of perseverance, eternal security is based upon what Christ has done, whereas assurance is the believer's experience and internal awareness of their eternal security in Jesus.
When we come to 1 John 2, we are reminded of the confidence believers have before God through their Advocate, their King - the Lord Jesus Christ. In the latter part of that chapter, Christians are told not to love the world which is composed of the lust of the eyes, the flesh and pride of life. Just like Daniel interpreted, this world system will be "smashed" and is passing away due to the soon coming of Jesus Christ, the "Rock" of salvation Whose Kingdom has no end. It is incumbent upon us as Christians to tell others of Him and that they by grace through faith can escape the wrath of God that is coming on this world.