Stamp Collecting Quotations

It would be hard to conceive of any activity more useless than stamp collecting.

Don't let me catch anyone talking about the Universe in my department.

That which is not measurable is not science. That which is not physics is stamp collecting.

Radioactivity is shown to be accompanied by chemical changes in which new types of matter are being continually produced. .... The conclusion is drawn that these chemical changes must be sub-atomic in character.