And then the sign (sēmeion | σημεῖον | nom sg neut) of the Son of Man will appear in the sky, and then all the tribes of the earth will mourn, and they will see the Son of Man coming on the clouds of the sky with power and great glory.
For false messiahs and false prophets will appear, and they will perform great signs (sēmeia | σημεῖα | acc pl neut) and wonders so as to lead astray, if that were possible, even the elect.
And when he was seated on the Mount of Olives, the disciples came to him privately, saying, “Tell us, when are these things to take place, and what will be the sign (sēmeion | σημεῖον | nom sg neut) of your coming and the consummation of the age?”
An evil and adulterous generation looks for a sign (sēmeion | σημεῖον | acc sg neut), but no sign (sēmeion | σημεῖον | nom sg neut) will be given it except the sign (sēmeion | σημεῖον | nom sg neut) of Jonah.” Then he left them and went away.
and in the morning, ‘It will be stormy today, for the sky is red and threatening.’ You know how to interpret the appearance of the sky, but you cannot evaluate the signs (sēmeia | σημεῖα | acc pl neut) of the times?
But he answered them, “An evil and adulterous generation asks for a sign (sēmeion | σημεῖον | acc sg neut), but no sign (sēmeion | σημεῖον | nom sg neut) will be given to it except the sign (sēmeion | σημεῖον | nom sg neut) of Jonah the prophet.
The revelation of Jesus Christ, which God gave him to show to his servants the things that must soon take place. He made it known (esēmanen | ἐσήμανεν | aor act ind 3 sg) by sending his angel to his servant John,
For it seems unreasonable to me, in sending a prisoner, not to (sēmanai | σημᾶναι | aor act inf ) report (sēmanai | σημᾶναι | aor act inf ) the charges against him.”