St. George and St. Michael. Volume III by George MacDonald

In the meantime a succession of events had contributed to enhance the influence of Cromwell in the parliament, and his position and power in the army. He was now, therefore, more able to put in places of trust such men as came nearest his own way of thinking, and amongst the rest Roger Heywood, whom, once brought into the active service for which modesty had made him doubt his own fitness, he would not allow to leave it again, but made colonel of one of his favourite regiments of horse, with his son as major.

Richard continued to ride Bishop, which became at length famous for courage, as he had become at once for ugliness. Fortunately they found that he had developed friendly feelings towards one of the mares of the troop, never lashing out when she happened to be behind him; so they gave her that place, and were freed from much anxiety. Still the rider on each side of him had to keep his eyes open, for every now and then a sudden fury of biting would seize him, and bring chaos in the regiment for a moment or two. When his master was made an officer, the brute's temptations probably remained the same, but his opportunities of yielding to them became considerably fewer.