Passage cross-references.

Go through, go through the gates; prepare ye the way of the people; cast up, cast up the highway; gather out the stones; lift up a standard for the people.

And an highway shall be there, and a way, and it shall be called The way of holiness; the unclean shall not pass over it; but it shall be for those: the wayfaring men, though fools, shall not err therein.

The voice of him that crieth in the wilderness, Prepare ye the way of the LORD, make straight in the desert a highway for our God.

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 shall be made smooth; …

Because my people hath forgotten me, they have burned incense to vanity, and they have caused them to stumble in their ways from the ancient paths, to walk in paths, in a way not cast up;

Let us not therefore judge one another any more: but judge this rather, that no man put a stumblingblock or an occasion to fall in his brother’s way.

Wherefore, if meat make my brother to offend, I will eat no flesh while the world standeth, lest I make my brother to offend.

But we preach Christ crucified, unto the Jews a stumblingblock, and unto the Greeks foolishness;

Give none offence, neither to the Jews, nor to the Gentiles, nor to the church of God: …

Giving no offence in any thing, that the ministry be not blamed:

And make straight paths for your feet, lest that which is lame be turned out of the way; but let it rather be healed.

But take heed lest by any means this liberty of yours become a stumblingblock to them that are weak.