Change is interesting, and it’s often a good thing…

The illiterate of the 21st century will not be those who cannot read and write, but those who cannot learn, unlearn, and relearn.
~ Alvin Toffler, author of Future Shock
and The Third Wave 

There is nothing permanent except change.
~ Heraclitus (535-475 BCE.)

It’s hard to argue with either of those thoughts. More here: