"Even in moments of tranquility, Murray Walker sounds like a man whose trousers are on fire"

This quote by Clive James is an amusing method of explaining the energetic and passionate commentary style of Murray Walker. It implies that also when Walker is not commentating on a race, he is still full of energy and excitement. It recommends that Walker is constantly in a state of excitement, as if his pants were on fire. This is an allegory for the strength of his commentary, which is usually referred to as containing energy as well as enthusiasm. It is a testament to Walker's interest for motorsport as well as his capability to bring the excitement of the race to the viewers. The quote is a humorous method of praising Walker's discourse design and also his interest for motorsport.