Isaiah 33:19

You will no longer see a fierce people,
A people of unintelligible speech which no one comprehends,
Of a stammering tongue which no one understands.

Isaiah 28:11

Indeed, He will speak to this people
Through stammering lips and a foreign tongue,

Deuteronomy 28:49-50

“The Lord will bring a nation against you from afar, from the end of the earth, as the eagle swoops down, a nation whose language you shall not understand,

“Behold, I am bringing a nation against you from afar, O house of Israel,” declares the Lord.
“It is an enduring nation,
It is an ancient nation,
A nation whose language you do not know,
Nor can you understand what they say.

2 Kings 19:32

‘Therefore thus says the Lord concerning the king of Assyria, “He will not come to this city or shoot an arrow there; and he will not come before it with a shield or throw up a siege ramp against it.

Ezekiel 3:5-6

For you are not being sent to a people of unintelligible speech or difficult language, but to the house of Israel,

Exodus 14:13

But Moses said to the people, “Do not fear! Stand by and see the salvation of the Lord which He will accomplish for you today; for the Egyptians whom you have seen today, you will never see them again forever.

1 Corinthians 14:21

In the Law it is written, “By men of strange tongues and by the lips of strangers I will speak to this people, and even so they will not listen to Me,” says the Lord.

Treasury of Scripture Knowledge

Summary

Isaiah 33:19

Thou shalt not see a fierce people, a people of a deeper speech than thou canst perceive; of a stammering tongue, that thou canst not understand.

Shalt not

Exodus 14:13

Deuteronomy 28:49

2 Kings 19:32

Deeper

Bible References

Shalt not

“The Lord will bring a nation against you from afar, from the end of the earth, as the eagle swoops down, a nation whose language you shall not understand,

Deeper

Indeed, He will speak to this people
Through stammering lips and a foreign tongue,

For you are not being sent to a people of

unintelligible speech or difficult language, but to the house of Israel,

In the Law it is written, “By men of strange tongues and by the lips of strangers I will speak to this people, and even so they will not listen to Me,” says the Lord.