Matthew 24:33

30 and then shall appear the sign of the Son of Man in the heaven; and then shall all the tribes of the earth smite the breast, and they shall see the Son of Man coming upon the clouds of the heaven, with power and much glory;

31 and he shall send his messengers with a great sound of a trumpet, and they shall gather together his chosen from the four winds, from the ends of the heavens unto the ends thereof.

32 `And from the fig-tree learn ye the simile: When already its branch may have become tender, and the leaves it may put forth, ye know that summer [is] nigh,

33 so also ye, when ye may see all these, ye know that it is nigh -- at the doors.

34 Verily I say to you, this generation may not pass away till all these may come to pass.

35 The heaven and the earth shall pass away, but my words shall not pass away.

36 `And concerning that day and the hour no one hath known -- not even the messengers of the heavens -- except my Father only;