Only the mediocre are always at their best mean?

Answer 1

They always "think" they are doing GREAT when in reality, they are not so good. This attitude cuts you off from healthy self criticism, thus making it difficult to do better. Why would you try to do better if you are already "at your best"???

Answer 2

This statement suggests that individuals who are consistently performing at a moderate level may not have the drive or motivation to strive for improvement. It challenges the notion that being content with average results can lead to a lack of progress or growth.