C.N. Douglas, comp. Forty Thousand Quotations: Prose and Poetical. 1917.
Ventilation
You cannot breathe too much of the open air.
Dr. Abernethy.
Be careful never to retire to rest in a room not properly ventilated.
Horace Mann.
There is nothing that this age, from whatever standpoint we survey it, needs more, physically, intellectually, and morally, than thorough ventilation.
Ruskin.