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.

I have suggested that scientific progress requires a favorable environment.

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."

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.

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

We have reached the age, those of us to whom fortune has assigned a post in life's struggle, when beaten and smashed and biffed by the lashing of the dragon's tail, we begin to appreciate that the old man was not such a fool after all. We saw our parents wrestling with the same dragon, and we thought, though we never spoke a thought aloud, 'Why doesn't he hit him on the head?' Alas, comrads, we know now. We have hit the dragon on the head and we have seen the dragon smile.