Whenever people get together and operate as groups, they make agreements, whether actually stated or not, regarding what is right and what is wrong, what is moral and what is immoral - in other words, what will be contributive to survival and what will be destructive of survival.
Noma nini lapho abantu behlangana ukuze basebenze njengamaqembu, benza izivumelwano, noma ngabe zishiwo noma cha, maqondana nokuthi yikuphi okulungile nokungalungile - ngamanye amagama, okuzosiza ukusinda kweqembu nokuthi yini okuzobhubhisa ekusindeni kwalo.