Isaiah 20:3

And the LORD said, Just as my servant Isaiah has walked naked and barefoot three years for a sign and wonder against Egypt and against Ethiopia;

Isaiah 8:18

Behold, I and the children whom the LORD has given me are for signs and for wonders in Israel from the LORD of hosts, who dwells in mount Zion.

Numbers 14:34

After the number of the days in which you searched the land, even forty days, each day for a year, shall you bear your iniquities, even forty years, and you shall know my displeasure.

Isaiah 18:1-7

Woe to the land with whirring wings, which is beyond the rivers of Ethiopia:

Isaiah 37:9

And he heard concerning Tirhakah king of Ethiopia, He has come forth to make war with you. And when he heard it, he sent messengers to Hezekiah, saying,

Isaiah 43:3

For I am the LORD your God, the Holy One of Israel, your Savior: I gave Egypt for your ransom, Ethiopia and Seba in exchange for you.

Ezekiel 4:5-6

For I have laid upon you the years of their iniquity, according to the number of the days, three hundred and ninety days: so shall you bear the iniquity of the house of Israel.

Revelation 11:2-3

But the court which is outside the temple leave out, and measure it not; for it is given unto the Gentiles: and the holy city shall they tread under foot forty and two months.

Treasury of Scripture Knowledge

Summary

And the LORD said, Like as my servant Isaiah hath walked naked and barefoot three years for a sign and wonder upon Egypt and upon Ethiopia;

A sign

Bible References

Three

Numbers 14:34
After the number of the days in which you searched the land, even forty days, each day for a year, shall you bear your iniquities, even forty years, and you shall know my displeasure.
Ezekiel 4:5
For I have laid upon you the years of their iniquity, according to the number of the days, three hundred and ninety days: so shall you bear the iniquity of the house of Israel.
Revelation 11:2
But the court which is outside the temple leave out, and measure it not; for it is given unto the Gentiles: and the holy city shall they tread under foot forty and two months.

A sign

Isaiah 8:18
Behold, I and the children whom the LORD has given me are for signs and for wonders in Israel from the LORD of hosts, who dwells in mount Zion.