Eureka! Eureka!_x000D_ _x000D_ Supposed to have been his cry, jumping naked from his bath and running in the streets, excited by a discovery about water displacement to solve a problem about the purity of a gold crown.

I am persuaded that this method [for calculating the volume of a sphere] will be of no little service to mathematics. For I foresee that once it is understood and established, it will be used to discover other theorems which have not yet occurred to me, by other mathematicians, now living or yet unborn.

Rise above oneself and grasp the world.

Give me a lever long enough and a fulcrum on which to place it, and I shall move the world.

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

There are things which seem incredible to most men who have not studied Mathematics.