Men in all societies possess the biological equipment to remove their hats or shoes, but it is the birth within a particular culture that decides that a Jew will keep his hat and shoes on in his place of worship, a Mohammedan will take off his shoes, and a Christian will keep his shoes on but remove his hat.

An inability to communicate has little to do with international friction-as is seen in the special ferocity of wars fought between people who speak the same language.

An invention or new combination can be successful only if all if the elements necessary for the recombination are present in the culture.

Men in all societies possess the biological equipment to remove their hats or shoes, but it is the birth within a particular culture that decides that a Jew will keep his hat and shoes on in his place of worship, a Mohammedan will take off his shoes, and a Christian will keep his shoes on but remove his hat.

People who speak the same language can hate one another as easily as can people who speak unrelated languages.

The environment does not determine man's culture; it merely sets the outer limits and at the same time offers opportunities.

Speakers who have grown up in the American community unconsciously know its rules about taking turns in conversations-in the same way that they know the rules of grammar and the rules about appropriate speech in various situations.