2 Timothy 3:1

But know this, that in the last days grievous times will come.

2 Peter 3:3

knowing this first, that there will come in the last days open scoffers following their own lusts,

2 Thessalonians 2:3-12

Let no one deceive you in any manner; for [that day will not come] unless the apostasy shall have come first and the man of sin have been revealed, the son of perdition;

1 Timothy 4:1-3

Now the Spirit saith expressly, that in the latter times some will depart from the faith, giving heed to seducing spirits and teachings of demons,

2 Timothy 4:3

For the time will come, when they will not endure sound doctrine, but after their own desires will they heap to themselves teachers; because they have itching ears;

1 John 2:18

My children, the last time is come; and as ye have heard that Antichrist is coming, even now there are many antichrists; whereby we know that the last time is come.

Jude 1:17

But do ye, beloved, remember the words which were before spoken by the apostles of our Lord Jesus Christ;

Revelation 8:1-13

And when be had opened the seventh seal, there was silence in heaven about haft an hour.

Treasury of Scripture Knowledge

Summary

This know also, that in the last days perilous times shall come.

Bible References

In

2 Timothy 4:3
For the time will come, when they will not endure sound doctrine, but after their own desires will they heap to themselves teachers; because they have itching ears;
1 Timothy 4:1
Now the Spirit saith expressly, that in the latter times some will depart from the faith, giving heed to seducing spirits and teachings of demons,
2 Peter 3:3
knowing this first, that there will come in the last days open scoffers following their own lusts,
1 John 2:18
My children, the last time is come; and as ye have heard that Antichrist is coming, even now there are many antichrists; whereby we know that the last time is come.
Jude 1:17
But do ye, beloved, remember the words which were before spoken by the apostles of our Lord Jesus Christ;

Perilous

2 Thessalonians 2:3
Let no one deceive you in any manner; for [that day will not come] unless the apostasy shall have come first and the man of sin have been revealed, the son of perdition;
1 Timothy 4:1
Now the Spirit saith expressly, that in the latter times some will depart from the faith, giving heed to seducing spirits and teachings of demons,