"Years of science fiction have produced a mindset that it is human destiny to expand from Earth, to the Moon, to Mars, to the stars"

"The torment of precautions often exceeds the dangers to be avoided. It is sometimes better to abandon one's self to destiny"

"Democracy is the art and science of running the circus from the monkey cage"

"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"

"Science never solves a problem without creating ten more"

"Anatomy is destiny"

"If science fiction is the mythology of modern technology, then its myth is tragic"

"Successful people are 100% convinced that they are masters of their own destiny, they're not creatures of circumstance, they create circumstance if the circumstances around them suck they change them"

"So, if anatomy is destiny then testosterone is doom"

"The science of today is the technology of tomorrow"

"Science does not know its debt to imagination"