There Is No Subsitute For Hard Work.

I Believe That The Motion Picture Is Destined To Revolutionize Our Educational System And That In A Few Years It Will Supplant Largely, If Not Entirely, The Use Of Textbooks.

When There's No Experimenting There's No Progress. Stop Experimenting And You Go Backward. If Anything Goes Wrong, Experiment Until You Get To The Very Bottom Of The Trouble.

Oh These Mathematicians Make Me Tired! When You Ask Them To Work Out A Sum They Take A Piece Of Paper, Cover It With Rows Of A's, B's, And X's And Y's ... Scatter A Mess Of Flyspecks Over Them, And Then Give You An Answer That's All Wrong!

The Body Is A Community Made Up Of Its Innumerable Cells Or Inhabitants.

I Find Out What The World Needs. Then I Go Ahead And Try To Invent It