I can think of a few microorganisms, possibly the tubercle bacillus, the syphilis spirochete, the malarial parasite, and a few others, that have a selective advantage in their ability to infect human beings, but there is nothing to be gained, in an evolutionary sense, by the capacity to cause illness or death. Pathogenicity may be something of a disadvantage for most microbes, carrying lethal risks far more frightening to them than to us. The man who catches a meningococcus is in considerably less danger for his life, even without chemotherapy, than meningococci with the bad luck to catch a man.
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"Germs"Lewis Thomas
The student of culture is concerned with a characteristic which man displays more markedly than any other known creature — the ability to transmit what he has learned. In following the procedure I suggest, the learning of Homo sapiens would be treated as a further specialization of the concept of grades, with the recognition that in some species — possibly even in some orders — the ability to learn may represent not only an improvement, in an evolutionary sense, but also an increase in vulnerability. Man's unique, high ability to learn, coupled as it is with a small amount of built-in behavior, represents such a vulnerability.
Margaret Mead
We're confronted all the time with evolving viruses and bacteria. The Red Queen really rules the biological world, and we have to keep running just to keep up pace with the changing microorganisms. Yet policymakers and the public deny vaccination, and evolution itself, and question the value of biomedical research. Maybe they don't believe in evolution, but the microorganisms trying to kill us are taking full advantage of it.
PZ Myers
What is it that passes for religion? In some countries magic passes for religion, and that is one thing I wish, in view particularly of the ethnic faiths, could be made very prominent— that religion is not magic. I am very sure that in many countries it is supposed to be so. You do something that will bring you good luck. It is for the interests of the priesthood to cherish that idea. Of course the idea of advantage in this life and in another life is very strong, and rightly very strong in all human breasts. Therefore, it is for the advantage of the priesthoods to make it to be supposed that they have in their possession certain tricks, certain charms, which will give you either some particular prosperity in this world or possibly the privilege of immortal happiness. Now, this is not religion. This is most mischievous irreligion, and I think this Parliament should say, once for all, that the name of God and the names of his saints are not things to conjure with.
Julia Ward Howe
To withstand in front of danger, close the chances of growth of the risks, first stop the flow of the danger and then analyse the risks that have occurred and the ones that have not taken place yet.
Elia M. Ramollah
Again and again Gould has been seen to charge into battle, sometimes hardly visible in the struggling mass. Strangely immune to seemingly lethal lunges he finally re-emerges. Eventually the dust and confusion die down. Gould announces to the awestruck onlookers that our present understanding of evolutionary processes is dangerously deficient and the theory is perhaps in its death throes. We look beyond the exponent of doom, and there standing in the sunlight is the edifice of evolutionary theory, little changed.
Simon Conway Morris
Thomas, Lewis
Thomas, Michel
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