"Have you noticed that whatever sport you're trying to learn, some earnest person is always telling you to keep your knees bent?"

This quote by Dave Barry is a humorous way of mentioning that when finding out any new sport, there is always someone who is eager to give suggestions. It is a pointer that when attempting to learn something brand-new, it is important to listen to the suggestions of those who have experience in the field. The quote likewise indicates that some advice may be more valuable than others, and that it is essential to put in the time to consider the guidance before following it. By keeping one's knees bent, the person is likely describing the significance of having excellent posture and balance when playing a sport. This quote is a lighthearted method of reminding us that when finding out something brand-new, it is important to take advice from those who have experience, but also to think about the suggestions prior to following it.