Proverbs 30:29
There be three things which go well, yea, four are comely in going:
Cross-references
Proverbs 30:15
Parallel
Proverbs 30:15 also uses a 'three...four' numerical saying, part of the same collection from Agur in this chapter.
Proverbs 6:16
Parallel
Proverbs 6:16 uses the same numerical 'six...seven' pattern, echoing Agur's 'three...four' structure in this chapter.