A junkyard contains all the bits and pieces of a Boeing 747, dismembered and in disarray. A whirlwind happens to blow through the yard. What is the chance that after its passage a fully assembled 747, ready to fly, will be found standing there? So small as to be negligible, even if a tornado were to blow through enough junkyards to fill the whole Universe.

There is no substitute for continuous endeavor. Of course all older men have good intentions, they have every wish “to keep up.” But the endless calls of students and committees and the ceaseless ringing of the telephone can defeat the best intentions. Only very recently I myself summoned the courage to deal with the problem. My solution is to answer only essential letters, entirely to ignore the telephone, and to restrict severely my participation in committee meetings. In modern ant-like society, with its penchant for excreting mountains of trivial literature, it needs an enormous determination to follow these simple precepts.

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It is in the world of ideas and in the relation of his brain to the universe itself that the superiority of Man lies. The rise of Man may justly be described as an adventure in ideas.

I'm still waiting to hear how I should have compromised. Are you sure that 'compromise' and 'capitulate' are not synonymous in your vocabulary?

I am often asked what it is like to be a scientist and how one goes about being a scientist. I find such questions uncomfortable because I know of no nicely potted answers to them. It is necessary to dig deep into one’s own experience to produce anything like a worthwhile assessment. And this is to risk the perils of autobiography, usually so fascinating to the narrator and so boring to the reader.

So far from proceeding in this way, the really curious feature of every organization in which it has been my misfortune to be involved is that while people argue vociferously and almost completely without data about all projected changes they show a little or no interest in the effects of changes after they have been introduced.

The attitude of the conservative is basically wrong: change should not be opposed. Not in a root and branch sense. What the conservatives should demand and insist on is that any projected changes should be reversible. The deadly changes are those which are irreversible, like the British introducing Greeks into Cyprus. Or like taking the sparrow and the rabbit to Australia. So long as a projected change can be shown to be reversible there should be no very serious objection to making a tryout. If the first step along the new road turns out well, the second step can be made, but if it turns out badly one simply retreats to where one was before. This seems to me to be the essential principle of social change.

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The notion that not only the biopolymer but the operating program of a living cell could be arrived at by chance in a primordial organic soup here on the Earth is evidently nonsense of a high order.

My cast of mind is a very bad handicap in this age of the committee. My true thoughts when I sit on a committee are so grotesquely at variance with the business in hand that they simply cannot be expressed at all. I am overwhelmed by the fatuity of most of what is being said, and there is a constant parade in my mind of the pathetic political figures of the first third of the present century.

But only gradually have I learned that such ultimate successes are not what the present-day authorities in Britain really want. What really delights them is extreme tidiness combined with a façade of everyday competence. This of course is why Britain plunges further and further downhill with every passing year. The truth is the opposite: it is the ultimate success that really counts.

It is easy to give a recipe for writing a successful non-fiction book—simply find grounds for optimism that no one has spotted before and expatiate thereon.

I do not see any sense in continuing to skirmish on a battlefield where I can never hope to win. The Cambridge system is effectively designed to prevent one ever establishing a directed policy — key decisions can be upset by ill-informed and politically motivated committees. To be effective in this system one must for ever be watching one's colleagues, almost like a Robespierre spy system. If one does so, then of course little time is left for any real science.

There may be hagglers who will dispute this statement, but if so I propose to disregard them.

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It’s only too easy to read your own state of mind into what other people say.

Quite recently I was asked to write an article to be entitled, “How to Become a Good Scientist.” In communicating my refusal to the periodical in question I was tempted to end the argument in one sentence, “By not writing articles such as this,” and then demanding my fee.