All scientific men will be delighted to extend their warmest congratulations to Tesla and to express their appreciation of his great contributions to science.

Never say, "I tried it once and it did not work."

When we have found how the nucleus of atoms is built up we shall have found the greatest secret of all — except life. We shall have found the basis of everything — of the earth we walk on, of the air we breathe, of the sunshine, of our physical body itself, of everything in the world, however great or however small — except life.

[From uranium] there are present at least two distinct types of radiation one that is very readily absorbed, which will be termed for convenience the α radiation, and the other of a more penetrative character, which will be termed the β radiation.

Now I know what the atom looks like.

You should never bet against anything in science at odds of more than about 10-12 to 1.

If your experiment needs statistics, you ought to have done a better experiment.