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"I was less successful in my attempts to effect preventive vaccination against typhus by using the virus and in trying to produce large quantities of serum using large animals."
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"Success means you have succeeded in overcoming the obstacles and finally realizing the goal."
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Personal Development
"Do not compete with anyone. Seek to exceed your own expectations."
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Personal Development
"Don't be satisfied with a particular sphere of influence only."
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Personal Development
"To be a success, water your dream with optimism and love."
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Personal Development
"To be a success, you have to break down your wall of fear that you built around you to protect yourself and come out of your mental limitations."
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Personal Development
"Success is working with enthusiasm and ambition, living with joy and kindness, and going toward a life of ultimate service and happiness."
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Personal Development
"Be bold, be a success, and change the world."
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Personal Development
"What you do without expectations defines your success."
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Personal Development
"You are the child of this universe, you have the right to success and peace."
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Personal Development
"Success is important but what you become on the way to success is more important."
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"Just as the only reservoir for the typhus virus in nature is provided by man, so the only vector of infection is the louse. The bite of the louse is not virulent immediately after the infecting meal. It becomes so only towards the 7th day following infection."
Nature
"My first attempts to transmit typhus to laboratory animals, including the smaller species of monkeys, had failed, as had those of my predecessors, for reasons which I can easily supply today."
Animals
"It did not seem likely that I was destined to undertake research on typhus."
Research
"I demonstrated the characteristics of experimental fever. It appears after an incubation period which is never less than five days. It follows the same pattern as natural fever in man, but is of shorter duration and less pronounced."
Man
"At the time when I was conducting my research there was no known method for taking the guinea pig's temperature. I demonstrated a technique which is now widely used."
Time
"I was less successful in my attempts to effect preventive vaccination against typhus by using the virus and in trying to produce large quantities of serum using large animals."
Success
"The discovery that I soon made that the guinea pig was also susceptible to infection made it possible for me, from the third year on, to preserve the virus on this animal."
Discovery
"Of all the problems which were open to me for study, typhus was the most urgent and the most unexplored. We knew nothing of the way in which contagion spread."
Nothing
"The fact that I was fortunate enough to escape contagion, in spite of frequent, sometimes daily contacts with the disease, was because I soon guessed how it spread."
Disease
"Even if it had not been possible to reproduce the disease in animals and consequently to verify the hypothesis, this simple observation would have been sufficient to demonstrate the way in which the disease was propagated."
Animals
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