By Dr. Sinclair Ferguson 
Not Yet Time? August 29, 520 B.C. - Haggai
Sinclair Ferguson is senior pastor of First Presbyterian Church in Columbia, S.C., and Distinguished Visiting Professor of Systematic Theology at Westminster Seminary. One of the most renowned Reformed theologians in our day, Dr. Ferguson is also a member of the Council of the Alliance of Confessing Evangelicals. He is a prolific author whose many books include The Holy Spirit, The Christian Life: A Doctrinal Introduction, and In Christ Alone: Living the Gospel Centered Life