Luke 11:31
“The queen of the south shall rise up in the judgment with the men of this generation, and condemn them: for she came from the utmost parts of the earth to hear the wisdom of Solomon; and, behold, a greater than Solomon is here.”
And when the people were gathered thick together, he began to say, This is an evil generation: they seek a sign; and there shall no sign be given it, but the sign of Jonas the prophet.
For as Jonas was a sign unto the Ninevites, so shall also the Son of man be to this generation.
The queen of the south shall rise up in the judgment with the men of this generation, and condemn them: for she came from the utmost parts of the earth to hear the wisdom of Solomon; and, behold, a greater than Solomon is here.
The men of Nineve shall rise up in the judgment with this generation, and shall condemn it: for they repented at the preaching of Jonas; and, behold, a greater than Jonas is here.
No man, when he hath lighted a candle, putteth it in a secret place, neither under a bushel, but on a candlestick, that they which come in may see the light.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“And when the queen of Sheba heard of the fame of Solomon, she came to prove Solomon with hard questions at Jerusalem, with a very great company, and camels that bare spices, and gold in abundance, and precious stones: and when she was come to Solomon, she communed with him of all that was in her heart.”
“And when the queen of Sheba heard of the fame of Solomon concerning the name of the Lord, she came to prove him with hard questions.”
“The queen of the south shall rise up in the judgment with this generation, and shall condemn it: for she came from the uttermost parts of the earth to hear the wisdom of Solomon; and, behold, a greater than Solomon is here.”
“And when the queen of Sheba heard of the fame of Solomon concerning the name of the Lord, she came to prove him with hard questions.”
“And the Lord said unto me, The backsliding Israel hath justified herself more than treacherous Judah.”