Edward Jenner — "The most valuable possessions are those which we acquire by our own exertions."
The most valuable possessions are those which we acquire by our own exertions.
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More from Edward Jenner
"I have often found that the best way to learn is to teach."
"It is a fact well known to many, that persons who have had the Cow Pox, are for ever after secure from the infection of the Small Pox."
"The Cow Pox, when it has once taken place, is a security against the Small Pox for life."
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"The disease has hitherto been confined to particular districts; and it has been observed, that where the Cow Pox has prevailed, the Small Pox has been much less frequent, and much less fatal."
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Understanding this quote
What it means
What we earn through hard work matters more than what we're handed. Things gained by personal effort — skills, knowledge, achievements — carry deeper worth because they required sacrifice and persistence to obtain. Unlike inherited wealth or lucky windfalls, self-earned gains reflect who we are and what we're capable of. The struggle itself is what makes the reward meaningful and lasting.
Relevance to Edward Jenner
Jenner embodied this belief through decades of painstaking self-directed research. His smallpox vaccine was not a gift of circumstance but the product of years of personal observation, careful experimentation, and persistent advocacy against a skeptical medical establishment. He funded much of his own work, faced sustained opposition, and chose scientific inquiry over a more profitable London career — treating hard-won knowledge as his most prized possession.
The era
Jenner worked during the Enlightenment, when reason and personal merit were displacing inherited privilege as society's organizing ideals. Smallpox killed roughly 400,000 Europeans annually; no title or wealth could offer protection. The era celebrated empirical inquiry and self-made achievement over aristocratic birth. As industrialization began reshaping who could prosper, the conviction that diligent individual effort — not lineage — determined one's most valuable attainments carried profound cultural weight.
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