In our life, slow movement is better than fast movement. For an example: Dogs, when crossing road, are easily to be killed by cars, but, cows when crossing road, are more safer. It is because that dogs run fast and cows go slow.
Rats run fast and its life is only two years and turtle which is slow in action can live up to one hundred years if no accident to its life. Therefore, slow is better than fast unless something we need to do it very fast. In general affairs it is better to do slowly to ensure our safety.
Slow-motion animals, such as elephant, bear, crocodile and so on can live a longer life and fast-motion animals, such as monkeys, dogs, deer-sheep live shorter life. The life of all creatures depend their living on hearts and when their hearts run faster, their life is shorter.
Therefor, we need to keep our heart to run slow so we can live longer. Many long distance runners died on their way of competition.
Sport men can not live long life. It is because they exhausted their energy too much in their younger days. When they reach to an old age, their hearts are weak. Consequently, they die earlier than ordinary people.