Matthew 16:1-4

And the Pharisees and Sadducees having come to Him, tempting Him, asked Him to show them a sign from heaven.

Mark 8:11-12

And the Pharisees came out, and began to question Him, seeking from Him a sign from heaven. tempting Him.

Luke 11:29-30

And the multitudes being assembled, He began to say, This is a wicked generation: it seeks after a sign, and no sign shall be given to it except the sign of the prophet Jonah.

Treasury of Scripture Knowledge

Summary

And Isaiah said, This sign shalt thou have of the LORD, that the LORD will do the thing that he hath spoken: shall the shadow go forward ten degrees, or go back ten degrees?

Bible References

This sign

Matthew 16:1
And the Pharisees and Sadducees having come to Him, tempting Him, asked Him to show them a sign from heaven.
Mark 8:11
And the Pharisees came out, and began to question Him, seeking from Him a sign from heaven. tempting Him.
Luke 11:29
And the multitudes being assembled, He began to say, This is a wicked generation: it seeks after a sign, and no sign shall be given to it except the sign of the prophet Jonah.