If you're doing an experiment, you should report everything that you think might make it invalid - not only what you think is right about it; other causes that could possibly explain your results; and things you thought of that you've eliminated by some other experiment, and how they worked -to make sure the other fellow can tell they have been eliminated.

If you know that you are not sure, you have a chance to improve the situation. I want to demand this freedom for future generations.

I have the advantage of having found out how hard it is to get to really know something. How careful you have to be about checking your experiments. How easy it is to make mistakes and fool yourself. I know what it means to know something.

If we will only allow that, as we progress, we remain unsure, we will leave opportunities for alternatives.

Outside of their particular area of expertise scientists are just as dumb as the next person.

Everything is made of atoms.

Our responsibility is to do what we can, learn what we can, improve the solutions, and pass them on.