Edward Jenner — "I have been so much engaged in making experiments, that I have had no time to wr…"
I have been so much engaged in making experiments, that I have had no time to write letters.
I have been so much engaged in making experiments, that I have had no time to write letters.
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"The most valuable possessions are those which we acquire by our own exertions."
"The greatest reward for my labours is the satisfaction of having done good to my fellow creatures."
"I have always been a lover of nature, and I have always found great pleasure in studying her works."
"The discovery of vaccination is one of the most important that has ever been made."
"The most important lesson that I have learned in life is, that we should always endeavour to do our duty."
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