Therefore, we should be afraid, lest the promise of entering into his rest may be relinquished, and some of you may be judged to be lacking
Other versions
King James Version
Let us therefore fear, lest, a promise being left us of entering into his rest, any of you should seem to come short of it.English Standard Version
Therefore, while the promise of entering his rest still stands, let us fear lest any of you should seem to have failed to reach it.New International Version
Therefore, since the promise of entering his rest still stands, let us be careful that none of you be found to have fallen short of it.