"Also, there will be signs in sun and moon and stars, and on the earth anguish of nations, not knowing the way out because of the roaring of the sea and [its] agitation,  while men become faint out of fear and expectation of the things coming upon the inhabited earth; for the powers of the heavens will be shaken. And then they will see the Son of man coming in a cloud with power and great glory.  But as these things start to occur, raise yourselves erect and lift your heads up, because your deliverance is getting near." Lk21:25