"There is no pleasure in life equal to that of the conquest of a vicious habit."

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Source: David Starr Jordan (1983). “The strength of being clean: the physiological laws governing the pursuit of happiness ; The philosophy of hope : understanding the process by which hope displaces despair : an owners manual to the human soul”

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David Starr Jordan

Biologist

David Starr Jordan was an influential American ichthyologist and educator, known for his advocacy of science and environmental conservation.

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