당신 자신을 향상시키면 모든 것을 향상시킬 수 있다.

“The few who do are the envy of the many who only watch.”

“It isn’t what the book costs. It’s what it will cost you if you don’t read it.”

“Managers help people see themselves as they are; Leaders help people to see the…”

“Miss a meal if you have to, but don't miss a book”