-leavethematterasitis;chancetheconsequence;concedetothenatureofthings;laissez-faire;leave(things)tochance;leavematterstodevelopthemselves;letitgoatthat;Letnaturetakeitsowncourse.;letthingsgohang;letthingsrip;letthingsslide;letthings[matters]taketheir(own)course;Letthingstaketheirnaturalcourse.;lettheworldwag(asitwill);taketheworldasitis[asonefindsit]