Some translations indent each line of poetry to make it easier to read. The ULB does this with the poetry that is quoted from the Old Testament in 2:6, 7, 8, and 22.
Some translations indent each line of poetry to make it easier to read. The ULB does this with the poetry in 2:10.
Stones are used in Scripture to describe the church. Jesus is the cornerstone. The apostles and prophets are the foundation. In this chapter, Christians are the stones used to continue to build the church.
This is an image used to describe maturity in Christ. It compares the immature Christian to a baby who is only able to drink milk. Immature Christians are not mature enough to handle solid foods, which are the more complex teachings about Jesus. Instead, they have chosen not to grow so they remain like babies who only drink milk, the simpler and more basic teachings about Jesus. (See: rc://en/ta/man/translate/figs-metaphor)
Some scholars believe this indicates the church has replaced Israel in the plans of God. Other scholars believe there are more than one “people of God.” (See: rc://en/tw/dict/bible/kt/peopleofgod)