Give Me A Place To Stand, And

Give Me A Place To Stand, And A Lever Long Enough, And I Will Move The World.

Give Me But A Firm Spot On Which To Stand, And I Shall Move The Earth.

Archimedes To Eratosthenes Greeting. ... Certain Things First Became Clear To Me By A Mechanical Method, Although They Had To Be Demonstrated By Geometry Afterwards Because Their Investigation By The Said Method Did Not Furnish An Actual Demonstration. But It Is Of Course Easier, When We Have Previously Acquired By The Method, Some Knowledge Of The Questions, To Supply The Proof Than It Is To Find It Without Any Previous Knowledge.

Eureka! [i Have Found It!] On Discovery Of A Method To Test The Purity Of Gold.

Eureka! (i Have Found It!).