Luke 3:5-6
Every valley shall be filled up and every mountain and hill shall be cut down; and the crooked places shall be straight and the rough ways smooth.
Romans 14:13
Then let us no longer judge one another: but rather judge this, not to place before a brother an offence for a stumblingblock.
1 Corinthians 1:23
but we preach Christ having been crucified, to the Jews indeed a stumbling block, and to the Gentiles foolishness;
1 Corinthians 8:9
See lest this liberty of yours may become a stumblingblock to the weak.
1 Corinthians 8:13
If indeed meat causes my brother to stumble, I never eat any more meat, in order that I may not lay a stumblingblock in the way of my brother.
1 Corinthians 10:32-33
Be ye without offence, both to Jews, and to Greeks, and to the church of God:
2 Corinthians 6:3
giving no occasion of stumbling in anything, in order that the ministry may not be blamed;
Hebrews 12:13
and make straight paths for your feet, in order that whatsoever is lame may not be turned out of the way, but rather may it be healed.