Is God's Promise Delivered to Me, Baptism?

Baptism is faith that i am baptized and with the knowledge that god's promise s are are forever and unbreakable. And it's that consideration that had luther come to the conclusions that he did regarding justification. So justification by faith alone is not, instead of just being kind of contradictory to this idea of baptismal regeneration or baptismal efficacy,. It really flows out of his under anding of baptism.