You need to change if it's needed. The stance you stand on can never be rewarding if the better option is to be flexible. Sometimes, we gain neither a benefit from an act nor a reward, yet we fail to desist from it. Afterwards, that stubbornness would induce on you, a misery. Do not deceive and don't be deceived. People failed to change because of people. What they would say concerning shifting of self principle. The principle that had fail to yield better but to success uncoupled.
Change for good and be flexible. When you're on one side and it's not being favorable, you can easily move to the other side because *_it's better to bend than to break_*. Flexibility is the key to stability -John Wooden.
Finally, The mental flexibility of the wise man permits him to keep an open mind and enables him to readjust himself whenever it becomes necessary for a change. ``Training for strength and flexibility is a must. You must use it to support your techniques. Techniques alone are no good if you don't support them with strength and flexibility. -Bruce Lee
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Do you agree? Please feel free to comment and discuss.