Only advocating for a “Quiet Time” limits our understanding of how God wants to form and shape us towards Christ-likeness.
Many of us know that having some sort of consistent devotional life is vital to experiencing Jesus promise of abundant life. But outside of generic exhortations to read/study the Bible and to pray, we don’t have a lot of information to go on about how to actually do it.
Outside of regular Bible reading/study and prayer, observing a Sabbath is the most transformational discipline you can undertake. But our associations of a Sabbath are mostly negative.
Corporate worship is good, but if your theology limits the use of musical worship to corporate gatherings then, like mine was, your theology of worship is limited.