Geometry Quotes by Euclid

Give him threepence, since he must make a gain out of what he learns.

— Euclid

A line is length without breadth.

— Euclid

And the whole is greater than the part.

— Euclid

Sire, there is no royal road to geometry.

— Euclid

“Handwriting is a spiritual designing, even though it appears by means of a material instrument.”

— Euclid

QED - Quod erat demonstrandum.

— Euclid

Things which are equal to the same thing are also equal to one another.

— Euclid

In right-angled triangles the square on the side subtending the right angle is equal to the squares on the sides containing the right angle.

— Euclid

Better balance, less pain and less restless leg syndrome.

— Euclid

That, if a straight line falling on two straight lines makes the interior angles on the same side less than two right angles, the…

— Euclid

There is no royal road to geometry.

— Euclid

“A straight line is said to have been cut in extreme and mean ratio when, as the whole line is to the greater segment,…

— Euclid