"I plead for conservation of human culture, which is much more fragile than nature herself. We needn't destroy other cultures with the force of our own"

"The art of medicine consists in amusing the patient while nature cures the disease"

"Sex is a part of nature. I go along with nature"

"Culture is a way of coping with the world by defining it in detail"

"Where is human nature so weak as in the bookstore?"

"We cannot command Nature except by obeying her"

"He loves nature in spite of what it did to him"

"Nature and wisdom never are at strife"

"We have our own history, our own language, our own culture. But our destiny is also tied up with the destinies of other people - history has made us all South Africans"

"The sound of the human voice is the best of nature but only if it comes out from the feelings"

"Of course as children, we all, in all cultures and societies, learn behavior from observation, imitation, and encouragement of various kinds. So by the suggestion made, we all 'pretend' most of the time"