One password strategy that is worthwhile considering is using entire phrases as passwords if the situation allows. Something like 'mynameisraynaandiamasexychick' is quite difficult to crack as well as being easy to remember. You can substitute in uppercase, numbers and symbols too, and get 'mYn4m31Sr4Yn44Nd14M4s3XyC#1cK', or if there are length constraints, take the first letter of every word: 'mN1r4144Sc' - looks cryptic, but not too difficult to remember.

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I want to know everything
I want to be everywhere
I want to fuck everyone in the world
I want to do something that matters