The objection that these atoms are invisible to our senses is met by showing that there are many invisible forces acting in Nature, the effects of which prove that they must be bodies,- Corporibus caecis igitur Natura gerit res.
"The Roman Poets of the Republic"
W. Y. Sellar
For the same author's De Natura Stirpium of 1536 he provided a woodcut, of an alcove scene in a garden, the tone of which is quite new.
"Fine Books"
Alfred W. Pollard
The whole of nature may be similarly conceived: as the reciprocal necessity of Natura Naturans, or nature defined in respect of its unity, and Natura Naturata, or nature specified in detail.
"The Approach to Philosophy"
Ralph Barton Perry