The Perimeter Of The Earth Is About

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

Eureka, Eureka! (i Found It, I Found It!).

The Centre Of Gravity Of Any Parallelogram Lies On The Straight Line Joining The Middle Points Of Opposite Sides.

There Are Things Which Seem Incredible To Most Men Who Have Not Studied Mathematics.

The Diameter Of The Earth Is Greater Than The Diameter Of The Moon And The Diameter Of The Sun Is Greater Than The Diameter Of The Earth.