you can know where you're from
you can know where you're going
you can know who you are
you can pick a maximum of two (2)
in fact starting with two (2) is a good way to start
getting down to one (1) safely is a delicate process, like riding a unicycle, but it's v rewarding if you're into that kind of thing
getting down to zero (0) is... is really something. something and nothing. nothing and everything. come say hi?