"I felt strongly that since the pursuit of good science was so difficult it was essential that the problem being studied was an important one to justify the effort expanded."

"Better understanding of the natural world not only enhances all of us as human beings, but can also be harnessed for the better good, leading to improved health and quality of life."

"I met my wife Anne who was a sociology student, and her influence together with activities associated with the student movement of the time opened up my interests amongst other things into the theatre, art, music, politics and philosophy."

"I have an idealistic view of science as a liberalising and progressive force for humanity."

"I am so blessed. I've been way over-blessed. At 64 years old, I look forward to going to bed every night so I can wake up in the morning and see what blessing is going to come my way that day. Because you never, ever know what God's got in store for you."

"Communism is the death of the soul. It is the organization of total conformity - in short, of tyranny - and it is committed to making tyranny universal."

"To me, it seems a dreadful indignity to have a soul controlled by geography."

"When state and religion are one, religion becomes a means for the powerful to remain in power."