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https://www.biodiversitylibrary.org/item/103554#page/1/mode/1up

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If a man walks in the woods for love of them half of each day, he  is in danger of being regarded as a loafer; but if he spends his whole  day as a spectulator, shearing off those woods and making the earth bald  before her time, he is esteemed an industrious and enterprising  citizen.

Henry David Thoreau 

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Jupiter
NASA (10/12/2017)
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¡La Naturaleza No Existe! by Gabriela Rodríguez on Scribd

Citrus trees (Isla Cristina, Spain)

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Dictionnaire universel d'histoire naturelle - Charles Dessalines d'Orbigny (1806-1876)

 

https://www.biodiversitylibrary.org/page/19539047#page/55/mode/1up
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The mountains are calling and I must go. 

-John Muir 

Photos:  Ansel Adams