Frank J. Wilstach, comp. A Dictionary of Similes. 1916.

Health

A man too busy to take care of his health is like a mechanic too busy to look after his tools.
—Anonymous

Health is like munny, we never hav a true idea ov its value until we lose it.
—Josh Billings

Health and good humor are to the human body like sunshine to vegetation.
—Jean B. Massillon