" best teacher? "your last mistake is your best t

"best teacher" at some month before i was going in a mall with my friendss. .we reached a shop where all things r too expensive. we search things with very excitement . .sudden from me a little but expensive fall down . .its were breaked. i feel bad and then i paid to this thing. .it is a little cute teddy which corner tell us " best teacher". i took this and we return home . After this accident i told my friend you took this but my friend told me no . . u keep this with yourself and learn # "your last mistake is your best teacher."