When Martyn Lloyd-Jones was in the pulpit, those who listened were captivated. The most enduring caption for his ministry of proclamation has been this: he was “logic on fire.” For anyone who has extensively read Lloyd-Jones, another accurate way to describe this is that his preaching was biblical truth baptized by Holy Spirit's manifest presence.
At the age of twenty-seven, he was not only on the threshold of forty years of fruitful ministry, but also his first job in the pastorate. He had only preached a dozen or so times, but the call of God was clearly on his life. The power of the Spirit, which marked his preaching, was rooted in his continual awe of the gospel and its urgent and necessary application to our daily lives. This marked the man, and, thus, it marked his preaching. To illustrate this, I quote (below) from a letter he penned to one of the leading figures responsible for hiring him, just prior to the commencement of his ministerial duties.
Many thanks for all your excellent letters, particularly the one I received on Monday morning…
I preached twice on Sunday in Welsh. My theme was the wonder and the amazement that are inherent in the gospel message and our tragic failure to appreciate this. If we could but see the real wonder in the Incarnation, the Crucifixion and the Resurrection, what powers we should be! The Son of God himself dying for us -- how can we remain so silent and so passive? Do we spend enough time in prayer and silent mediation? Are we not concentrating too much on what we can do in public and depending too much on our own abilities? Martyn Lloyd-Jones, The Life of Martyn Lloyd-Jones (1899-1981) by Iain H. Murray (p. 81)