The willow which bends to the tempest often escapes better than the oak which resists it and so in great calamities it sometimes happens that light and frivolous spirits recover their elasticity and presence of mind sooner than those of a loftier character.
What I think we fear is rapid pronounced and uncontrollable changes to ourselves and because of this we have a form of personality inertia - something that resists rapid change.
When I climb into my car I enter my destination into a GPS device whose spatial memory supplants my own. I have photographs to store the images I want to remember books to store knowledge and now thanks to Google I rarely have to remember anything more than the right set of search terms to access humankind's collective memory.