"I believe in the power of experimental evidence to resolve scientific disputes."

"The most important thing is to have an open mind and to be willing to follow the evidence wherever it leads."

"The more I work on this, the more complex it seems to become."

"You can't have a hypothesis unless you have some facts. And I haven't got any facts yet."

"The results suggest a helical structure (which must be very closely packed) containing 2, 3, or 4 co‐axial nucleic acid chains per helical unit."