It never does much good to find out why you can't; put your effort into what you can do.

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

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.

The day when the scientist, no matter how devoted, may make significant progress alone and without material help is past. This fact is most self-evident in our work.

The atomic bombs will surely shorten the war, and let us hope that they will effectively end war as a possibility in human affairs.

The day when the scientist, no matter how devoted, may make significant progress alone and without material help is past. This fact is most self-evident in our work. Instead of an attic with a few test tubes, bits of wire and odds and ends, the attack on the atomic nucleus has required the development and construction of great instruments on an engineering scale.

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