Euclid

In numbers and figures, we find the order of the universe.

The diligent study of Euclid's Elements leads to profound understanding.

Parallel lines teach us the concept of infinity.

The fifth postulate is the key to the plane.

All right angles are equal to one another.

A circle may be described with any centre and radius.

All straight lines falling upon two straight lines which cut one another make equal angles on the opposite sides.

To draw a straight line from any point to any point.

To produce a finite straight line continuously in a straight line.

To cut off a prescribed length from a finite straight line.

Things equal to the same thing are equal to each other.

The more abstract the truth, the more universal it is.

Mathematics is the purest form of thought.

Euclid's method is the model for all deductive sciences.

From the known, we deduce the unknown.

The rigor of proof distinguishes mathematics from other arts.

In geometry, we see the mind of God.

The Elements are the ABC of mathematics.

Deduction is the soul of mathematics.

Truth in mathematics is absolute and unchanging.