Matthew 24:36-44
36 “Now concerning that day and hour no one knows—neither the angels in heaven, nor the Son —except the Father only. 37 As the days of Noah were, so the coming of the Son of Man will be. 38 For in those days before the flood they were eating and drinking, marrying and giving in marriage, until the day Noah boarded the ark. 39 They didn’t know until the flood came and swept them all away. So this is the way the coming of the Son of Man will be: 40 Then two men will be in the field: one will be taken and one left. 41 Two women will be grinding at the mill: one will be taken and one left. 42 Therefore be alert, since you don’t know what day your Lord is coming. 43 But know this: If the homeowner had known what time the thief was coming, he would have stayed alert and not let his house be broken into. 44 This is why you also must be ready, because the Son of Man is coming at an hour you do not expect.
Mark 13:32-37
32 “Now concerning that day or hour no one knows—neither the angels in heaven nor the Son—except the Father. 33 Watch! Be alert! For you don’t know when the time is coming. 34 It is like a man on a journey, who left his house, gave authority to his slaves, gave each one his work, and commanded the doorkeeper to be alert. 35 Therefore be alert, since you don’t know when the master of the house is coming—whether in the evening or at midnight or at the crowing of the rooster or early in the morning. 36 Otherwise, he might come suddenly and find you sleeping. 37 And what I say to you, I say to everyone: Be alert!”