Romans 9:28
For the Lord will carry out His word in the world [i.e., He will require an accounting from the people] quickly and decisively."
Matthew 24:21
There will be great trouble [during these times], such as had never been from the beginning of time up to the present, or ever will be [in the days to come].
Acts 17:31
For He has appointed a [certain] day when He will judge the people of the world according to [a standard of] true justice by the man [i.e., Jesus] whom He has appointed [as Judge, See II Tim. 4:8]. [And] He has given assurance to all people [that He will do this] by raising Jesus from the dead."
Revelation 19:11
Then I saw heaven open, and there before me was a white horse whose rider was called "Faithful and True." And He [i.e., Christ] judges and wages war in a just way.