1 Timothy 4:1
Now the Holy Spirit specifically says that in later times [Note: "Later times" in the New Testament usually refers to the period following the first coming of Christ and the establishment of the church], some people will fall away from the faith [i.e., the true teaching of Christianity]. They will pay attention to deceitful spirits [i.e., lying people] and the teaching of evil spirits.
2 Peter 3:3
First of all, you should understand that, in the final days, mockers with evil desires will come [to you] saying, mockingly,
Jude 1:18
for they were saying to you people, "In the last times [See I John 2:18; Heb. 1:1-2] there will be mockers [arise], who will live according to their [own] ungodly desires."