"The secret is this: less is more. And that is the most difficult thing. It was hard for me to learn when I was a rider. I’m an overachiever, I’m not a natural, I work work work and I drill my horses. It took me decades, and still, if I make a mistake today it’s because I overdid it.
"As a trainer, a chef d’equipe and as a rider it’s very difficult not to overdo it because people do not trust themselves and their horses. They have to do one more jump, one more exercise, one more school, one more class. It’s very difficult to say ‘I have a great horse that is sound and happy and I don’t need more preparation.’ I have had three people who were exceptionally excellent at less is more: Chris Kappler, Ann Kursinski and Melanie Smith.
"I just discussed this again with a rider: you stay at home, or horse shows will swallow you up. It will swallow your horses up, it will swallow their soundness up, it will devour you. Once you’re at the top, you stay at home, and you look at your soundness, fitness, and gymnastics work every day. You must stay at home, you must work on beautiful footing, you must not over-jump, and when it counts you go to the horse show. "
Full article is here on page 6: