Will it be possible to solve these problems? It is certain that nobody has thus far observed the transformation of dead into living matter, and for this reason we cannot form a definite plan for the solution of this problem of transformation. But we see that plants and animals during their growth continually transform dead into living matter, and that the chemical processes in living matter do not differ in principle from those in dead matter. There is, therefore, no reason to predict that abiogenesis is impossible, and I believe that it can only help science if the younger investigators realize that experimental abiogenesis is the goal of biology. Jacques Loeb
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Louis Pasteur was one of the most important figures in the history of biology and medicine. He was a pioneer in germ theory and played a key role in developing vaccines for rabies and anthrax. He stated: "I do not know whether we shall arrive at the secret of life by Darwin's theory, but I am convinced that we shall never solve the problem of life until we solve the problem of death." (Pasteur, 1877) Pasteur believed that as long as the process of death was unknown it would be impossible to fully understand living matter.

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