KJV - Take ye heed, watch and pray: for ye know not when the time is.

ASV - Take ye heed, watch and pray: for ye know not when the time is.

BBE - Take care, keep watch with prayer: for you are not certain when the time will be.

WEB - Watch, keep alert, and pray; for you don't know when the time is.

YLT - Take heed, watch and pray, for ye have not known when the time is;

Notes