Do not put any stumbling-block in your path which will make you suffer later on.
Perhaps so; but "the stumbling-block, his speech, who laid it?"
Beauty” is, to some persons, as great a stumbling-block as “contrivance.
To the modern progressive mind the wide sands are a stumbling-block.
The divorce had been from the beginning, and remained to the end, a stumbling-block to ...