Matthew 24:6-8

And you will hear of wars and rumors of wars. See that you are not alarmed; for all these things must come to pass, but the end is not yet.

Mark 13:7-8

When you hear of wars and rumors of wars, do not be alarmed; such things must happen, but the end is not yet.

Luke 21:9-19

And when you hear of wars and revolutions, do not be terrified; for these things must first take place, but the end will not come immediately."

Luke 21:28

Now when these things begin to take place, look up and lift up your heads, because your redemption is drawing near."

Treasury of Scripture Knowledge

Summary

And lest your heart faint, and ye fear for the rumour that shall be heard in the land; a rumour shall both come one year, and after that in another year shall come a rumour, and violence in the land, ruler against ruler.

Bible References

Lest

Matthew 24:6
And you will hear of wars and rumors of wars. See that you are not alarmed; for all these things must come to pass, but the end is not yet.
Mark 13:7
When you hear of wars and rumors of wars, do not be alarmed; such things must happen, but the end is not yet.
Luke 21:9
And when you hear of wars and revolutions, do not be terrified; for these things must first take place, but the end will not come immediately."