[As additional resources, links to book reviews and book purchasing information can be found beneath the quotations when this information is available.]
"Longeing is of no value unless it is done correctly."
"...we always longe a horse equally in both directions."
"Longeing greatly improves the performance of any saddle horse."
"Starting a colt with longeing puts you way ahead."
"If you march to a lively drummer, you can help activate his trot; but if you continue to move lively when asking him down to the walk, he will usually keep right on trotting."
"Stop yourself when asking him to halt."
"When he starts forward, go with him, being careful not to tighten the line since you do not want to stop him."
"As he walks forward, let the line slip through your right hand so he gets ahead of you."
"The secret of training a horse to longe is to keep him moving forward with the whip while catching and directing that energy with the line."
"...longeing can be so valuable in training the horse — he can get a head start on proper work without having to learn to carry your weight at the same time."