King James Version
Wherefore? Because they sought it not by faith, but as it were by the works of the law. For they stumbled at that stumblingstone;New International Version
Why not? Because they pursued it not by faith but as if it were by works. They stumbled over the "stumbling stone."Catholic Public Domain Version
Why is this? Because they did not seek it from faith, but as if it were from works. For they stumbled over a stumbling block