Because everyone has his/her definitions of words . And as time changes , the enviroment changes , or he/she grows up in spirits , he/she know the truth(s) deeper . LaoTze said : Often none , to meditate the subtle of dao ; Often being to meditate the usage(s) of dao . So , there are no finally translations of Inside !
So , how can we do as facing so much translations and new words ? It's very simple : take them as your references .