Galatians 3:28
There is neither Jew nor Greek, slave nor free, male nor female, for you are all one in Christ Jesus.
What it says
There is no Jew or Greek, slave or free, male and female, Paul says, for all are one in Christ Jesus.
What it is doing
It states the unity that follows from being in Christ.
In context
26You are all sons of God through faith in Christ Jesus. 27For all of you who were baptized into Christ have clothed yourselves with Christ. 28There is neither Jew nor Greek, slave nor free, male nor female, for you are all one in Christ Jesus. 29And if you belong to Christ, then you are Abraham’s seed and heirs according to the promise.