does this mean christians are called to "keep covenant" w/ God, then; a description of perseverance of the saints?

to anyone: how would you understand this?

__________________
sincerely,
mark
member 1st Christian Reformed Church (don't freak out on me, now)
Grand Haven, MI
www.vanallsblog.blogspot.com
Question: How do you know which eye of John Murray's was the glass eye?
Answer: It was the one with the most compassion.