Quotessence
Home / Authors / Asa Gray
Asa Gray

Asa Gray Quotes

Botanist

Filter quotes by topic

AllAnimalPlantDifferentDifficultyEvolutionFormMayOrderPlants And AnimalsSpeciesVegetablesBasesBeliefCausesElementsFormerIfsKingdomsKnowsLows

Famous Asa Gray Quotes

“The former conviction that these two kingdoms were wholly different in structure, in function, and in kind of life, was not seriously disturbed by the difficulties which the naturalist encountered when he undertook to define them.”

KindTwoDifferentFunctionDifficultyStructureConvictionKingdomsFormerDisturbedNaturalist
Book:Natural Science and Religion: Two Lectures Delivered to the Theological School of Yale College
Create image

“Many years ago it was taught that plants and animals were composed of different materials: plants, of a chemical substance of three elements,- carbon, hydrogen, and oxygen; animals of one of four elements, nitrogen being added to the other three.”

YearsDifferentThreeAnimalFourTaughtMaterialsElementsYears AgoPlantSubstanceChemicalsCarbonOxygenHydrogenPlants And AnimalsNitrogenFour Elements
Book:Natural Science and Religion: Two Lectures Delivered to the Theological School of Yale College
Create image