What is the Biblical basis for the idea of Baptism as a public commitment to the faith?

It's a common trope among craedobaptists that the purpose of baptism is in order to make a public commitment to the Christian faith. For example, here's an excerpt from a *GotQuestions.org* article on baptism: > Christian baptism is the means by which a person makes a public profession of faith and discipleship. In the waters of baptism, a person says, wordlessly, “I confess faith in Christ; Jesus has cleansed my soul from sin, and I now have a new life of sanctification.” It's the only paragraph on the article without a Biblical citation (other than the summary paragraph at the end). I'm curious what the Biblical basis for the idea of "public profession" being associated with Baptism. *Please note I am specifically asking about the association of **public** profession with baptism, not about craedobaptism generally.* (As context, I recently returned to Lutheranism after several years as a Baptist. Even while I was a Baptist, I never felt like I understood the basis for connection of public profession of faith to baptism.)