The interval allowed was only five minutes, at the end of which I resumed the lecture; but so refreshing was the effects of the brief rest and, above all, the admission of pure air, that during the second hour the attention was as completely sustained as during the first.
-- George Combe
   
George Combe   Name:
George Combe
Type:
Educator
Nationality:
American
Birth:
October 21, 1788
Death:
August 14, 1858
https://www.nutquote.com/quote/George_Combe