Knowledge Quotes

From ancient scholars to modern scientists, these quotes explore what it means to learn and to know.

31147 quotes

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"Those who understand selection understand the engine of all progress."
Hermann Muller
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"Understanding evolution is understanding the very foundation of our existence."
Hermann Muller
W
"We must distinguish between the genotype and the phenotype in all our studies"
Wilhelm Johannsen
W
"Biometrics reveals the hidden patterns of natural variation"
Wilhelm Johannsen
W
"The word 'gene' carries no implication of chemical composition"
Wilhelm Johannsen
W
"The same genotype can produce different phenotypes in different environments"
Wilhelm Johannsen
W
"Selection without understanding heredity is selection in darkness"
Wilhelm Johannsen
W
"We must separate correlation from causation in hereditary studies"
Wilhelm Johannsen
W
"Hereditary influence persists across generations with measurable consistency"
Wilhelm Johannsen
W
"Pure lines breed true because they carry identical hereditary material"
Wilhelm Johannsen
W
"The science of heredity brings order to the chaos of variation"
Wilhelm Johannsen
W
"The pure line concept clarified what inheritance actually means"
Wilhelm Johannsen
W
"The mechanism of heredity operates beneath the surface of appearance"
Wilhelm Johannsen
W
"Heredity is predictable when studied with proper methods"
Wilhelm Johannsen
W
"The study of inheritance reveals the unity underlying life's diversity"
Wilhelm Johannsen
W
"Heredity is the foundation upon which environment builds"
Wilhelm Johannsen
W
"The phenotype reveals nothing that the genotype alone determines"
Wilhelm Johannsen
M
"In research, the ability to see connections others miss is more valuable than raw intelligence."
Max Delbrück
M
"The complexity of life is not a barrier to understanding—it is an invitation."
Max Delbrück
M
"To understand life, we must think both small and large simultaneously."
Max Delbrück
M
"Every answer in science is merely a better question in disguise."
Max Delbrück
M
"The universe speaks a language we are only beginning to learn."
Max Delbrück
M
"Our understanding of life is only as deep as our willingness to be confused."
Max Delbrück
M
"Every discovery reveals how much we do not understand."
Max Delbrück
M
"In research, conviction without evidence is merely opinion."
Max Delbrück
M
"In research, the questions we ask determine the answers we receive."
Max Delbrück
M
"To truly understand life, we must be willing to be astonished by it."
Max Delbrück
M
"In science, the greatest discoveries often begin with the smallest observations."
Max Delbrück
H
"Knowledge is the fruit of patient observation"
Hugo de Vries
H
"Observation without theory is mere collection"
Hugo de Vries