Change Quotes

Nothing stays the same. These quotes explore transformation, growth, and the courage to start over.

27059 quotes

"In every ending—of an experiment, a hypothesis, a year—lies the beginning of something new."
Rita Levi-Montalcini
O
"The greatest barrier to progress is not ignorance, but the certainty of false knowledge."
Oswald Avery
O
"Every experiment is a small death of our assumptions and a rebirth of clarity."
Oswald Avery
O
"The transforming principle of life teaches that nothing is truly finished—all knowledge awaits revision."
Oswald Avery
A
"What we call mutations are nature's way of writing new chapters in the book of life."
Alfred Hershey
H
"In the competition of life, those who fail to evolve are doomed to extinction."
Hermann Muller
H
"Those who cling to outdated ways of thinking will find themselves left behind."
Hermann Muller
H
"Extinction is not a punishment but a failure to adapt."
Hermann Muller
H
"Nature's way is the way of constant change and improvement."
Hermann Muller
H
"Life proves that perfection is always incomplete, always evolving."
Hermann Muller
W
"Selection is nature's method of improvement, both conscious and unconscious"
Wilhelm Johannsen
W
"Mutations are the raw material for evolution and improvement"
Wilhelm Johannsen
W
"Selection pressure shapes populations over time"
Wilhelm Johannsen
W
"Variation is the condition for selection and progress"
Wilhelm Johannsen
W
"Selection accumulates variation into new forms"
Wilhelm Johannsen
M
"The mind that cannot change is a mind that cannot grow."
Max Delbrück
M
"The greatest breakthroughs come when we stop defending our assumptions."
Max Delbrück
M
"The forward progress of science demands that we let go of yesterday's certainties."
Max Delbrück
H
"Evolution is a process of continuous change"
Hugo de Vries
H
"Progress requires questioning established beliefs"
Hugo de Vries
H
"Certainty closes the door to discovery"
Hugo de Vries
H
"The mind that refuses to grow becomes extinct"
Hugo de Vries
O
"Progress requires the courage to abandon yesterday's certainties for today's questions."
Oswald Avery
T
"Mutation is the raw material of evolution; without variation, there can be no change."
Thomas Hunt Morgan
T
"Variation is the spice of life and the engine of evolution."
Thomas Hunt Morgan
T
"Each mutation represents a gamble with the future; most fail, but some change everything."
Thomas Hunt Morgan
T
"Variation in traits is not error; it is the very foundation upon which life builds."
Thomas Hunt Morgan
T
"Heredity and variation together ensure that life remains forever creative and adaptive."
Thomas Hunt Morgan
T
"In every mutation lies the possibility of transformation; most fail, but some shape the future of life."
Thomas Hunt Morgan
A
"Adaptation without end is the fate of all living creatures."
August Weismann