Luke 11:30

30 For as Jonah was a sign to the Ninevites, so also will the Son of Man be to this generation.

Luke 11:30 in Other Translations

KJV
30 For as Jonas was a sign unto the Ninevites, so shall also the Son of man be to this generation.
ESV
30 For as Jonah became a sign to the people of Nineveh, so will the Son of Man be to this generation.
NLT
30 What happened to him was a sign to the people of Nineveh that God had sent him. What happens to the Son of Man will be a sign to these people that he was sent by God.
MSG
30 What Jonah was to Nineveh, the Son of Man is to this age.
CSB
30 For just as Jonah became a sign to the people of Nineveh, so also the Son of Man will be to this generation.

Luke 11:30 In-Context

28 He replied, “Blessed rather are those who hear the word of God and obey it.”
29 As the crowds increased, Jesus said, “This is a wicked generation. It asks for a sign, but none will be given it except the sign of Jonah.
30 For as Jonah was a sign to the Ninevites, so also will the Son of Man be to this generation.
31 The Queen of the South will rise at the judgment with the people of this generation and condemn them, for she came from the ends of the earth to listen to Solomon’s wisdom; and now something greater than Solomon is here.
32 The men of Nineveh will stand up at the judgment with this generation and condemn it, for they repented at the preaching of Jonah; and now something greater than Jonah is here.
Scripture quoted by permission.  Quotations designated (NIV) are from THE HOLY BIBLE: NEW INTERNATIONAL VERSION®.  NIV®.  Copyright © 1973, 1978, 1984, 2011 by Biblica.  All rights reserved worldwide.