The Holy Spirit that is given to us as followers of Jesus, which we celebrate on Pentecost, is like an oasis in the desert. It is a welcome sight to be sure, but there is much we do not understand about its mystery. David Kalas has written For Those Who Have Run Dry to assist us in quenching our thirst for the Holy Spirit; encouraging us to embrace this gift from God. By ourselves, human beings are finite. But the empowering nature of the...