Luke 3:5-6
Every valley shall be filled, and every mountain and hill shall be brought low; and the crooked shall be made straight, and the rough ways smooth: And all flesh shall see the salvation of God.
Romans 14:13
Let us therefore no longer judge one another; but judge this rather, not to lay a stumbling block, or a scandal before a brother.
1 Corinthians 1:23
to the Jews a stumbling block, and to the Greeks foolishness:
1 Corinthians 8:9
But take heed, lest by any means this your liberty become a stumbling-block to the weak.
1 Corinthians 8:13
Wherefore if meat make my brother to offend, I will eat no flesh while the world standeth, lest I make my brother to offend.
1 Corinthians 10:32-33
Give no offence either to the Jews, or to the Gentiles, or to the church of God:
2 Corinthians 6:3
Giving no offence in any thing, that the ministry be not blamed, But in all things approving ourselves as the ministers of God,
Hebrews 12:13
And make strait paths for your feet, lest that which is lame be turned out of the way, but let it rather be healed.