
“Study without desire spoils the memory, and it retains nothing that it takes in.”
http://books.google.com/books?id=lFXyZLM1XxYC&pg=PT412&dq=%22Just+as+eating+against+one%E2%80%99s+will+is+injurious+to+health%22&hl=en&ei=GFRbTIjiGoL-8AbytdC4Ag&sa=X&oi=book_result&ct=result&resnum=2&ved=0CDUQ6AEwAQ#v=onepage&q=%22Just%20as%20eating%20against%20one%E2%80%99s%20will%20is%20injurious%20to%20health%22&f=false
The Notebooks of Leonardo da Vinci (1883), XIX Philosophical Maxims. Morals. Polemics and Speculations.
“Study without desire spoils the memory, and it retains nothing that it takes in.”
“We drink one another's health and spoil our own.”
"On Eating and Drinking".
Idle Thoughts of an Idle Fellow (1886)
“Happiness is nothing more than good health and a bad memory.”
Variant: Happiness is nothing more than good health and a bad memory.
“In plucking the fruit of memory one runs the risk of spoiling its bloom.”
The Arrow of Gold http://www.gutenberg.org/dirs/etext97/argld10h.htm (1919), Author's note,
“Anybody who says saccharin is injurious to health is an idiot.”
Response when Harvey W. Wiley opposed the the of saccharin because it is injurious to health, as quoted in The History of a Crime Against the Food Law (1929) by Harvey W. Wiley
1900s
Context: You tell me that saccharin is injurious to health? Dr. Rixey gives it to me every day. Anybody who says saccharin is injurious to health is an idiot.