Nature Quotes

Mountains, oceans, and everything growing in between. The natural world as teacher and mirror.

18018 quotes

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"Nature is the only perfect system because it has no intention to be perfect."
Max Delbrück
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"Selection can only work with what heredity provides."
Wilhelm Johannsen
W
"Variation gives evolution its raw material."
Wilhelm Johannsen
W
"Variety within a species shows nature's generosity."
Wilhelm Johannsen
W
"Nature breeds true when left to her own devices."
Wilhelm Johannsen
W
"Heredity is nature's way of maintaining fidelity across time."
Wilhelm Johannsen
W
"Life repeats because heredity compels repetition with variation."
Wilhelm Johannsen
W
"Life is conserved through heredity, advanced through variation."
Wilhelm Johannsen
W
"Pure breeding demonstrates nature's commitment to order."
Wilhelm Johannsen
T
"Evolution works not toward perfection but toward adaptation to present conditions."
Thomas Hunt Morgan
T
"Observe nature carefully, for it reveals truths no human mind could invent alone."
Thomas Hunt Morgan
T
"Nature operates according to laws we are only beginning to comprehend."
Thomas Hunt Morgan
T
"Nature does not reward our theories; she rewards accurate observation."
Thomas Hunt Morgan
T
"Life's variations are not errors in reproduction but the mechanism of evolution."
Thomas Hunt Morgan
T
"Every creature is an experiment that nature has refined through millions of attempts."
Thomas Hunt Morgan
T
"We are not separate from nature but expressions of its fundamental laws."
Thomas Hunt Morgan
T
"Life evolves not by leaps but by the accumulation of small, favored variations."
Thomas Hunt Morgan
T
"Nature speaks to those who listen in the language of mathematics and chemistry."
Thomas Hunt Morgan
T
"Every organism is both a summary of its past and a prophecy of its future."
Thomas Hunt Morgan
T
"Variation is not defect; it is the mechanism by which life adapts and prevails."
Thomas Hunt Morgan
T
"Nature is neither kind nor cruel; it is indifferent and magnificent."
Thomas Hunt Morgan
T
"Each generation adds its own experiments to the grand experiment of evolution."
Thomas Hunt Morgan
T
"Nature stores her secrets in molecules, generations, and time."
Thomas Hunt Morgan
T
"Variation provides the clay; natural selection provides the sculptor."
Thomas Hunt Morgan
T
"The order in nature is not imposed from without but generated from within."
Thomas Hunt Morgan
T
"Every trait, no matter how trivial it seems, tells a story of evolutionary advantage."
Thomas Hunt Morgan
T
"Nature wastes nothing; every variation has been tested and selected by survival."
Thomas Hunt Morgan
T
"Every organism is a solution to an environmental problem posed millions of years ago."
Thomas Hunt Morgan
T
"The patterns of inheritance are nature's way of saying 'I am rational, I am knowable.'"
Thomas Hunt Morgan
S
"Simplicity in experimental design reveals the deepest truths of nature."
Sydney Brenner