Maybe a little self-reflection would help. In other words, in less than 10 years after graduation, your professional competency could be reduced by one-half.
Knowledge ages rapidly.
Now if that is not enough, there is another significant event going on around each of us. It's an explosion of knowledge, unprecedented in our history. Available knowledge is thought by many to double every 10 years. This leads to a serious gap between available knowledge and what we learned in college. This gap is filled most effectively through continuing education.