"I think high self-esteem is overrated. A little low self-esteem is actually quite good. Maybe you're not the best, so you should work a little harder"

This quote by Jay Leno suggests that having too much self-confidence can be damaging. He thinks that having a bit of low self-esteem can be useful, as it can motivate people to work more difficult. He is suggesting that it is all right to not be the best at something, which it is important to aim to enhance. This quote encourages people to be humble and to recognize that they might not be the very best at something, however that they can still work hard to enhance. It is very important to have a healthy balance of self-esteem and humility, and this quote motivates individuals to strive for that balance. Leno's quote is a pointer that it is alright to not be the very best, which it is very important to strive to improve.