In John chapter 12 the Lord spoke to a crowd about His impending death by crucifixion, saying that He will be lifted up, signifying to them His manner of death.
“When it is evening you say, ‘It will be fair weather, for the sky is red’; and in the morning, ‘It will be foul weather today, for the sky is red and threatening.’ Hypocrites! You know how to discern the face of the sky, but you cannot discern the signs of the times.” Matthew 16:2b-3.
“And what I say to you, I say to all: Watch!” Mark 13:37.
A few years back there was a report of a man who happened to be in a High-rise building several floors up when he came upon a young man who was perched in an open window preparing to jump.
Wanting to help, but not knowing what to do, he called out “Jesus loves you”. He said the young man gave him a look of sheer horror, turned and jumped.
“Now a great sign appeared in heaven: a woman clothed with the sun, with the moon under her feet, and on her head a garland of twelve stars. Then being with child, she cried out in labor and in pain to give birth. And another sign appeared in heaven: behold, a great fiery red dragon having seven heads and ten horns, and seven diadems on his heads.” Revelation 12:1-3.