We recently had the opportunity to ask J. I. Packer a few questions related to sanctification, including how the Puritans have influenced him personally. He noted in his answer, "This is a question I welcome, because in fact, it was as helps in sanctification that I first came to appreciate the Puritans. And I believe now, nearly 70 years after, this is the best way into Puritan study for anybody."
Watch his complete answer in this three-minute video:
He also recommends three Puritans who he says "excel in teaching about sanctification" —