I am mindful that scientific achievement is rooted in the past, is cultivated to full stature by many contemporaries and flourishes only in favorable environment. No individual is alone responsible for a single stepping stone along the path of progress, and where the path is smooth progress is most rapid. In my own work this has been particularly true.

I have gotten over feeling badly. We would be eternally miserable if our errors worried us too much because as we push forward we will make plenty more.

Let us cherish the hope that the day is not far distant when we will be in the midst of this next adventure.

But there is no joy in Mudville - mighty Casey has "struck out."

In the Radiation Laboratory we count it a privilege to do everything we can to assist our medical colleagues in the application of these new tools to the problems of human suffering.

From the beginning of the Radiation Laboratory, I have had the rare good fortune of being in the center of a group of men of high ability, enthusiastic and completely devoted to scientific pursuits.

I have suggested that scientific progress requires a favorable environment.