Passage
These are they who separate themselves, sensual men, having not the Spirit.
These are they who separate themselves, sensual men, having not the Spirit.
Jude 1:17 But you, my dearly beloved, be mindful of the words which have been spoken before by the apostles of our Lord Jesus Christ:
Jude 1:18 Who told you that in the last time there should come mockers, walking according to their own desires in ungodlinesses.
Jude 1:19 These are they who separate themselves, sensual men, having not the Spirit.
Jude 1:20 But you, my beloved, building yourselves upon your most holy faith, praying in the Holy Ghost,
Jude 1:21 Keep yourselves in the love of God, waiting for the mercy of our Lord Jesus Christ, unto life everlasting.
The verse centers on "Spirit", "separate", "themselves", "sensual", and "having". It is saying that the verse draws attention to "Spirit" and "separate", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 18's "Who told you that in the last..." into verse 20's "But you my beloved building yourselves upon...", so "Spirit" and "separate" belong inside that flow. In Jude context, the local focus is Christ, faith, and discipleship.
A plain takeaway is to answer the verse's own emphasis on "Spirit" and "separate" with trust shaped by these words, not by a vague optimism outside the passage.