Why not? Because they pursued ¹  it not by faith but (as if it were possible) by works. ²  They stumbled over the stumbling stone, ³ 

and a stumbling-stone ¹  and a rock to trip over. ²  They stumble ³  because they disobey the word, as they were destined to do. ⁴ 

just as it is written, “Look, I am laying in Zion a stone that will cause people to stumble and a rock that will make them fall, ¹  yet the one who believes in him will not be put to shame.” ²