'Keepest' in the Bible

when thou keepest all this command to do it, which I am commanding thee to-day, to love Jehovah thy God, and to walk in His ways all the days -- then thou hast added to thee yet three cities to these three;

'Jehovah doth establish thee to Himself for a holy people, as He hath sworn to thee, when thou keepest the commands of Jehovah thy God, and hast walked in His ways;