Complex sentence: But when one has heard to preaching out in the fields and they praised his efforts and talent to preach God's word they thought it seemed an injustice that such a wonder should not be allowed within the walls as if he was suspect.
Split into simpler sentences: But when one heard the preaching out in the field, and they praised his efforts and talent to preach God's word. They thought it seemed an injustice that such a wonder should not be allowed within the walls as if he was suspect.