Do people change ? Or can they never ?

Change has always been a keyword in my life. I acknowledge that it is the only constant. Many a time, I have been a frontrunner in bringing about this change - personally and professionally. Yet, one question has always been at the back of my mind as I worked through Change and People over the years. Can a person truly change - intrinsically? at the very core? I am not sure I have an answer, even today! A large part of my adult and professional life has been dedicated towards helping people develop and grow - through overcoming weaknesses or acquiring appropriate new skills and learned behaviors. The foundation of these endeavors was that people want to and can change and get better, if rightly motivated; even "areas of development" could be worked on, if there was enough intention and resolve. All they needed were the right opportunities, the right support and the right reasons. Some changes were naturally easier than others, but I believed that if the res...