"If two triangles have two sides equal to two sides respectively, and have the angles contained by the equal straight lines equal, they will also have the base equal to the base, the triangle will be e…"

"A prime number is that which is measured by a unit alone."

"Let the following be postulated:"

"The laws of nature are but the mathematical thoughts of God."

"The elements of geometry are derived from a small set of axioms and postulates."