Euclid
Father of geometry, wrote Elements
Quotes by Euclid
The area of a triangle is half the product of its base and height.
In a circle, the longest chord is the diameter.
The distance from the center of a circle to a chord is less when the chord is longer.
To circumscribe a circle about a given triangle.
To inscribe a circle in a given triangle.
A regular polygon can be constructed with ruler and compass if the number of sides is a product of a power of 2 and distinct Fermat primes.
The pentagon is constructible, revealing the golden ratio.
The golden ratio is (1 + sqrt(5))/2, appearing in the pentagon.
The five regular platonic solids can be inscribed in a sphere.
The tetrahedron, cube, octahedron, dodecahedron, and icosahedron are the only regular polyhedra.
To construct a cube and inscribe it in a sphere.
The icosahedron has twenty triangular faces.
The dodecahedron is the fifth essence.
Geometry is the knowledge of the eternal.
Through study of the Elements, one achieves clarity of thought.
The pursuit of mathematical truth is a noble endeavor.
In Euclid's world, everything has its place and proof.
The Elements stand as a testament to human reason.
Mathematics requires patience and precision.
The joy of discovery in geometry is unparalleled.