An example of a pass phrase practically impossible to crack: 4Score&7YearsAgoOurFathersBrought4thOnThisContinentANewNation,ConceivedNLiberty,&Dedicated2ThePropositionThatAllMenRCreatedEqual!
actually, no. that’s the point of the snowden reveal.
the long passphrase is used to form your crypto keys which relies on a proper random number generator. if the set if random numbers isn’t billions and billions... but thousands... then it’s easily crackable