New Revised Standard Version
and they knew nothing until the flood came and swept them all away, so too 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. This is how it will be when the Son of Man appears.

New American Bible
They did not know until the flood came and carried them all away. So will it be [also] at the coming of the Son of Man.

Douay-Rheims Bible
And they knew not till the flood came and took them all away: so also shall the coming of the Son of man be.

And they knew not till the flood came and took them all away: so also shall the coming of the Son of man be.

Matthew 13:13-15 Therefore do I speak to them in parables: because seeing they see not, and hearing they hear not, neither do they understand. . . .

Judges 20:34 And to march from the west side of the city. And other ten thousand men chosen out of all Israel, attacked the inhabitants of the city. And the battle grew hot against the children of Benjamin: and they understood not that present death threatened them on every side.

Proverbs 23:35 And thou shalt say: They have beaten me, but I was not sensible of pain: they drew me, and I felt not: when shall I awake and find wine again?

Proverbs 24:12 If thou say: I have not strength enough: he that seeth into the heart, he understandeth, and nothing deceiveth the keeper of thy soul, and he shall render to a man according to his works.

Proverbs 29:7 The just taketh notice of the cause of the poor: the wicked is void of knowledge.

Isaiah 42:25 And he hath poured out upon him the indignation of his fury, and a strong battle, and hath burnt him round about, and he knew not: and set him on fire, and he understood not.

Isaiah 44:18,19 They have not known, nor understood: for their eyes are covered that they may not see, and that they may not understand with their heart. . . .

Luke 19:44 And beat thee flat to the ground, and thy children who are in thee. And they shall not leave in thee a stone upon a stone: because thou hast not known the time of thy visitation.

John 3:20 For every one that doth evil hateth the light and cometh not to the light, that his works may not be reproved.

Acts 13:41 Behold, ye despisers, and wonder and perish: for I work a work in your days, a work which you will not believe, if any man shall tell it you.

Romans 1:28 And as they liked not to have God in their knowledge, God delivered them up to a reprobate sense, to do those things which are not convenient.

2 Peter 3:5 For this they are wilfully ignorant of: That the heavens were before, and the earth out of water and through water, consisting by the word of God: