For by one Spirit we were all baptized into one body--whether Jews or Greeks, whether slaves or free--and have all been made to drink into one Spirit.
1 Corinthians 12:13
Surrounding context
12:12 For as the body is one and has many members, but all the members of that one body, being many, are one body, so also is Christ.
12:13 For by one Spirit we were all baptized into one body--whether Jews or Greeks, whether slaves or free--and have all been made to drink into one Spirit.
12:14 For in fact the body is not one member but many.