Paul, called as an apostle of Christ Jesus by God's will, and our brother Sosthenes:
References for 1 Corinthians 1:1
To God's church at Corinth, to those who are sanctified in Christ Jesus and called as saints, with all those in every place who call on the name of Jesus Christ our Lord-theirs and ours.
Grace to you and peace from God our Father and the Lord Jesus Christ.
I always thank my God for you because of God's grace given to you in Christ Jesus,
References for 1 Corinthians 1:4
that by Him you were made rich in everything-in all speaking and all knowledge-
as the testimony about Christ was confirmed among you,
so that you do not lack any spiritual gift as you eagerly wait for the revelation of our Lord Jesus Christ.
He will also confirm you to the end, blameless in the day of our Lord Jesus Christ.
God is faithful; by Him you were called into fellowship with His Son, Jesus Christ our Lord.