"It must not be forgotten in fairness to the National Government that apartheid is not just a policy of oppression but an attempt - in my opinion an attempt doomed to failure - to find an alternative to a policy of racial integration which is fair to both white and black."
"Mathematical science is in my opinion an indivisible whole, an organism whose vitality is conditioned upon the connection of its parts."
"I never was good at learning things. I did just enough work to pass. In my opinion it would have been wrong to do more than was just sufficient, so I worked as little as possible."
"I'm constantly learning, and that is the greatest gift of life in my opinion - to always be learning and growing."