To benefit from experience we have to make sure its incorporated into our plans and perspectives. We have to keep changing constantly in response. Our plans have to evolve. Even our values.
Brainpickings: 20-Year-Old Hunter S. Thompson's Superb Advice, 2013-Nov-4, Excerpted by Maria Popova
Every man is the sum total of his reactions to experience. As your experiences differ and multiply, you become a different man, and hence your perspective changes. This goes on and on. Every reaction is a learning process; every significant experience alters your perspective....
As I see it then, the formula runs something like this: a man must choose a path which will let his ABILITIES function at maximum efficiency toward the gratification of his DESIRES. In doing this, he is fulfilling a need (giving himself identity by functioning in a set pattern toward a set goal) he avoids frustrating his potential (choosing a path which puts no limit on his self-development), and he avoids the terror of seeing his goal wilt or lose its charm as he draws closer to it (rather than bending himself to meet the demands of that which he seeks, he has bent his goal to conform to his own abilities and desires).