Verse Comparison: Matthew 24:39
American Standard Version
and they knew not until the flood came, and took them all away; so shall be the coming of the Son of man.
Amplified® Bible
And they did not know {or} understand until the flood came and swept them all away--so will be the coming of the Son of Man.
Contemporary English Version
They didn't know anything was happening until the flood came and swept them all away. That is how it will be when the Son of Man appears.
Darby English Version
and they knew not till the flood came and took all away; thus also shall be the coming of the Son of man.
Good News Bible
yet they did not realize what was happening until the flood came and swept them all away. That is how it will be when the Son of Man comes.
International Standard Version
They were unaware of what was happening until the flood came and swept all of them away. That's how it will be when the Son of Man comes.
King James Version
And knew not until the flood came, and took them all away; so shall also the coming of the Son of man be.
New American Standard Bible
and they did not understand until the flood came and took them all away; so will the coming of the Son of Man be.
New International Version
and they knew nothing about what would happen until the flood came and took them all away. That is how it will be at the coming of the Son of Man.
New King James Version
and did not know until the flood came and took them all away, so also will the coming of the Son of Man be.
N.A.S.B. in E-Prime
and they did not understand until the flood came and took them all away; so will the coming of the Son of Man occur.
Young's Literal Translation
and they did not know till the flood came and took all away; so shall be also the presence of the Son of Man.