Galileo Galilei
Physics
Italian
1564 – 1642
376 quotes
Father of observational astronomy and modern physics
Quotes by Galileo Galilei
Sorrow fills my later years.
Personal letters
1630
House arrest cannot chain the mind.
Attributed
1633
I forgive my persecutors.
Deathbed
1642
The truth will prevail.
Attributed
Saturn has ears.
Letter on Saturn
1610
The rings of Saturn revealed.
Later observation
1616
Sunspots move, proving rotation.
Letters on Sunspots
1612
The Sun rotates on its axis.
Letters on Sunspots
1612
Imperfections on the Sun.
Letters on Sunspots
1612
My wit is sharper than my sight.
Humor in blindness
Even in darkness, I see the light of truth.
Two New Sciences
1638
Legacy is in the stars.
Final reflection
1642
Adieu, my friends.
Last words
1642
The motion of the Earth is now demonstrated.
Dialogue
1632
Aristotle was wrong about falling bodies.
Two New Sciences
1638
Experiment trumps authority.
Attributed
The inclined plane slows descent.
Two New Sciences
1638
Uniform acceleration in free fall.
Two New Sciences
1638
The ratio of spaces to times squared.
Two New Sciences
1638
My theorems stand the test of time.
Attributed