Re: Diceware Passphrase... so impractical

And to be honest, nobody is after your private key. Paranoia level down

NOT TRUE! The NSA has people looking for your private key (and yours, too,
over there [and his, and hers, and ...]).
First one to get over 100 million private keys gets a $25 gift certificate
to Red Lobster. Real incentive!

Obligatory notice: ";-)" {for the humo(u)r challenged}.
.