en_tn/act/02/29.md

Peter continues his speech to the Jews that he began in Acts 1:15.

patriarch

This is a father, or one who lived a long time ago.

oath

An "oath" is a solemn statement or declaration.

swear an oath

When one swears an oath, he makes a serious statement that what he promises is true.

brothers

This includes men and women.

He foresaw

David foresaw and spoke of the Messiah.