Science Quotes

Discovery, wonder, and the relentless pursuit of understanding how the world works.

20549 quotes

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"The primary object of the naturalist should be to understand the significance of variation."
Thomas Hunt Morgan
T
"A gene is not a bead on a string, but a complex functional unit."
Thomas Hunt Morgan
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"The map of the chromosome is a map of hereditary possibility."
Thomas Hunt Morgan
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"The environment shapes development, but inheritance shapes possibility."
Thomas Hunt Morgan
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"The invisible world of genes shapes the visible world of traits."
Thomas Hunt Morgan
T
"The fruit fly era revealed that life follows laws, not whims."
Thomas Hunt Morgan
T
"Every cell contains the complete library of its species' hereditary knowledge."
Thomas Hunt Morgan
T
"The gene is the unit of heredity, the atom of biology."
Thomas Hunt Morgan
T
"The test of a scientific theory is its power to predict and explain nature."
Thomas Hunt Morgan
T
"Nature's code is written in four letters; learning to read it is the great work of our age."
Thomas Hunt Morgan
"The nerve growth factor taught me that every cell has a voice waiting to be heard."
Rita Levi-Montalcini
"The power of observation exceeds the power of theory."
Rita Levi-Montalcini
"The scientific method is humanity's greatest tool for understanding itself."
Rita Levi-Montalcini
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"Genetics is the science of heredity, and heredity is the fundamental principle of life."
Wilhelm Johannsen
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"The gene is the unit of heredity, but it is not the unit of evolution."
Wilhelm Johannsen
W
"Pure lines are the foundation of scientific breeding."
Wilhelm Johannsen
W
"Selection is the art of choosing what nature offers."
Wilhelm Johannsen
W
"The organism is not the sum of its genes, but their expression."
Wilhelm Johannsen
W
"Variation is the raw material of evolution."
Wilhelm Johannsen
W
"The study of genetics reveals the unity of all life."
Wilhelm Johannsen
W
"Science seeks truth through observation and experiment."
Wilhelm Johannsen
W
"Pure science is the pursuit of truth for its own sake."
Wilhelm Johannsen
W
"Evolution is the story written in our genes."
Wilhelm Johannsen
W
"The organism develops according to its nature and nurture."
Wilhelm Johannsen
W
"The phenotype is the expression of the genotype and environment."
Wilhelm Johannsen
W
"Heredity and environment are partners in creation."
Wilhelm Johannsen
W
"The scientist must be humble before nature."
Wilhelm Johannsen
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"Selective breeding is applied biology."
Wilhelm Johannsen
W
"The gene is microscopic, but its effects are vast."
Wilhelm Johannsen
W
"Hereditary forces shape the future."
Wilhelm Johannsen