자신감을 갖자!

Did you ever see an unhappy horse? Did you ever see a bird that had the blues? One reason why birds and horses are not unhappy is because they are not trying to impress other burds and horses 불행한 말을 본 적이 있는가? 아니면 우울한 새를 본 적이 있는가? 말과 새가 불행하지 않은 이유는 다른 말이나 새...