30 Truly I tell you, this generation will certainly not pass away until all these things have happened.

Read Mark 13:30 Using Other Translations

Verily I say unto you, that this generation shall not pass, till all these things be done.
Truly, I say to you, this generation will not pass away until all these things take place.
I tell you the truth, this generation will not pass from the scene before all these things take place.