Alhazen

Astronomy Arab 965 – 1040 187 quotes

He made groundbreaking contributions to optics, which were crucial for the development of astronomical instruments.

Quotes by Alhazen

Error is the price of progress in science.

Doubts Concerning Ptolemy 1018

Shadows prove the sphericity of the earth.

On the Configuration of the World 1010

The mind's eye sees beyond the physical.

Book of Optics 1020

Lenses can correct defects in vision.

Book of Optics 1015

Patience is the companion of wisdom.

Resolution of Doubts 1021

The eclipses are natural phenomena, not omens.

Astronomical Treatise 1005

Knowledge is light that dispels ignorance.

Book of Optics 1011

Experimentation is the touchstone of truth.

Doubts Concerning Ptolemy 1018

The stars guide the sailor, but reason guides the seeker.

On the Configuration of the World 1010

Color arises from the interaction of light and matter.

Book of Optics 1015

Humility before nature is the mark of a true scholar.

Book of Optics 1020

The parabola focuses light to a point.

Book of Optics 1021

Celestial bodies move in perfect circles.

Astronomical Treatise 1005

Doubt leads to inquiry, inquiry to truth.

Doubts Concerning Ptolemy 1018

The atmosphere refracts starlight at the horizon.

Book of Optics 1011

Wisdom comes from questioning the apparent.

On the Configuration of the World 1010

Images are inverted in the eye, yet perceived upright.

Book of Optics 1015

The pursuit of knowledge is a sacred duty.

Personal Reflection 1020

Mathematics is the language of the universe.

Resolution of Doubts 1021

On my deathbed, I leave you this: Seek truth relentlessly.

Last Words 1040