Having been the discoverer of many splendid things, he is said to have asked his friends and relations that, after his death, they should place on his tomb a cylinder enclosing a sphere, writing on it the proportion of the containing solid to that which is contained.

Mathematics reveals its secrets only to those who approach it with pure love, for its own beauty.

Give me a place to stand, and a lever long enough, and I will move the world.

Eureka! [I have found it!] On discovery of a method to test the purity of gold.

The centre of gravity of any parallelogram lies on the straight line joining the middle points of opposite sides.

Eureka! (I have found it!).

Two magnitudes whether commensurable or incommensurable, balance at distances reciprocally proportional to the magnitudes.