...So long as its circumstances are normal, the insect's actions are calculated most rationally in view of the object to be attained... 
J. Henri Fabre Alexander Teixeira de Mattos 「The Mason-bees」
...After the bite of our death adder onlywe find persons sometimes collapse and expire suddenly, when stillconscious and able to answer questions rationally...
A. Mueller 「On Snake-Poison: its Action and its Antidote」
...A strong full-blooded race, sober-minded,dignified, rationally happy with their lot, Giorgione portrayed themwith an art infinite in variety and consummate in skill...
John C. Van Dyke 「A Text-Book of the History of Painting」
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