Complex sentence: Faith goes hand-in-hand with an open attitude of willing to learn and try out, familiarizing oneself with the teaching: through personal verification a person's faith deepens, ultimately changing from "preserving" to "discovering" the truth.
Split into simpler sentences: Faith goes hand-in-hand with an open attitude of willing to learn and try out, familiarizing oneself with the teaching. Through personal verification a person's faith deepens, ultimately changing from "preserving" to "discovering" the truth.