Francis Crick

"An honest man, armed with all the knowledge available to us now, could only state that in some sense, the origin of life appears at the moment to be almost a miracle, so many are the conditions which …"

"I wasn't aware of Chargaff's rules when he said them, but the effect on me was quite electric because I realized immediately that if you had this sort of scheme that John Griffith was proposing, of ad…"

"And so to those of you who may be vitalists I would make this prophecy: what everyone believed yesterday, and you believe today, only cranks will believe tomorrow."

"If for example I had some idea, which as it turned out would be quite wrong, was going off of the tangent, Watson would tell me in no uncertain terms this was nonsense, and vice-versa. If he would hav…"

"Before I describe in more detail exactly what is involved in seeing, let me make three general remarks."

"The ultimate aim of the modern movement in biology is in fact to explain all biology in terms of physics and chemistry."

"My own prejudices are exactly the opposite of the functionalists’: “If you want to understand function, study structure,” I was supposed to have said in my molecular biology days. I think that one sho…"

"Both of us had decided, quite independently of each other, that the central problem in molecular biology was the chemical structure of the gene."