Peter Drucker – Knowledge has to be improved, challenged, and increased constantly, or it vanishes.
“Knowledge has to be improved, challenged, and increased constantly, or it vanishes.” – Peter Drucker. “지식은 끊임없이 개선되고, 도전받고, 증가되어야 하며, 그렇지 않으면 사라진다.” – 피터 드러커. The Lifelong Pursuit of Knowledge About the Author Peter Drucker (1909-2005) was an Austrian-born American management consultant, educator, and author, widely regarded as the father of modern management … Read more