Christian de Duve Quotes
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Due to these various circumstances, when I entered the Catholic University of Louvain in 1934, I had already travelled in a number of European countries and spoke four languages fairly fluently. This turned out to be a valuable asset in my subsequent career as a scientist.
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The living world has become impoverished. Species are being lost every day. Energy and other resources are nearing exhaustion. The environment is deteriorating. Pollution is everywhere. Climate is changing. Natural balances are threatened.
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Vast areas are witness to the struggles of destitute populations trying to survive under unlivable conditions.
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Although attracted by the humanities, I had chosen medicine as a career, seduced by the image of the 'man in white' dispensing care and solace to the suffering. But science was lurking around the corner, in the form of an unpaid student assistantship in the laboratory of physiology.
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I promptly fell in love with scientific research and soon had assigned myself, as a major vocation, the task of elucidating the mechanism of action of the antidiabetic hormone.
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We are sick because our cells are sick.
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The advantage of the analytical approach is that it is widely applicable, and it can provide a considerable amount of quantitative information even with a relatively poor resolving power.
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What I was concerned with was life: what are the major features that are common to all living organisms that subtly define life. So I looked at the whole problem as a chemist, as a biochemist, and as a molecular biologist.
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The cost of our success is the exhaustion of natural resources, leading to energy crises, climate change, pollution, and the destruction of our habitat. If you exhaust natural resources, there will be nothing left for your children. If we continue in the same direction, humankind is headed for some frightful ordeals, if not extinction.
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The possibility that lysosomes might accidentally become ruptured under certain conditions, and kill or injure their host-cells as a result, was considered right after we got our first clues to the existence of these particles.
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Although separating mitochondria and microsomes might appear worlds apart from the determination of the molecular weight of macromolecules, certain concepts were common to the two operations and could be usefully transposed from the latter to the former.
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Speaking as a biologist, I think women are less aggressive than men, and they play a larger role in the early education of the young and helping them overcome their genetic heirloom.
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It is as though a puzzle could be put together simply by shaking its pieces.
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If you want this planet to continue being habitable for everyone that lives here, you have to limit the number of inhabitants. Hunters do it by killing off the old or sick animals in a herd, but I don't think that's a very ethical way of limiting the population.
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My education, according to the tradition of the Jesuit school which I attended, had been centered on the 'ancient humanities', and I was strongly attracted to the more literary branches.
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Ribosomes contain RNA, messenger RNA provides the information, transfer RNAs brings the amino acids; so the protein-making machinery is an RNA machinery, completely.
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I cannot look at a question and not try to find the answer, even if I don't know it.
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We know that once we stop learning and call ourselves learned, we become useless members of the scientific society.
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It would be an exaggeration to say I'm not afraid of death, but I'm not afraid of what comes after, because I'm not a believer.
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I followed lectures on the history, geography, economy and political organization of Sweden.
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When I disappear, I will disappear; there'll be nothing left.
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When, in 1949, I decided to join the little band of early explorers who had followed Albert Claude in his pioneering expeditions, electron microscopy was still in its infancy.
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Overcrowded cities are spawning increasingly lawless suburbs. Waste is accumulating in and around them, straining the capacity to deal with it.
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Our investigations were very fruitful. They led to the discovery of a new cell part, the lysosome, which received its name in 1955, and later of yet another organelle, the peroxisome.