Perish Quotes (4)

Amidst the vicissitudes of the earth's surface, species cannot be immortal, but must perish, one after another, like the individuals which compose them. There is no possibility of escaping from this conclusion.
Principles of Geology (1837), Vol. 2, 202.
See also:  |  Earth (93)  |  Extinction (27)  |  Immortal (3)  |  Science (444)  |  Species (49)  |  Surface (6)

Nomenclature, the other foundation of botany, should provide the names as soon as the classification is made... If the names are unknown knowledge of the things also perishes... For a single genus, a single name.
Philosophia Botanica (1751), aphorism 210. Trans. Frans A. Stafleu, Linnaeus and the Linnaeans: The Spreading of their Ideas in Systematic Botany, 1735-1789 (1971), 80.
See also:  |  Botany (18)  |  Classification (33)  |  Foundation (10)  |  Knowledge (330)  |  Name (18)  |  Nomenclature (51)  |  Species (49)  |  Unknown (8)

The science [geometry] is pursued for the sake of the knowledge of what eternally exists, and not of what comes for a moment into existence, and then perishes.
[Often seen condensed to: 'Geometry is knowledge of the eternally existent'.]
Plato
The Republic of Plato Book VII, trans. by John Llewelyn Favies and David James Vaughan (1908), 251.
See also:  |  Existence (44)  |  External (6)  |  Geometry (38)  |  Knowledge (330)

Thinkers perish; thoughts don't.
In Ted Goodman, The Forbes Book of Business Quotations (2007), 595.
See also:  |  Thinking (56)

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