PRESIDENT WILLIAM J. CLINTON
TESTIMONY BEFORE THE GRAND JURY
AUGUST 17, 1998

SOLOMON L. WISENBERG: The statement of your attorney, Mr. Bennett, at the Paula Jones deposition,... "Counsel is fully aware that Ms. Lewinsky has filed... an affidavit which they are in possession of saying that there is absolutely no sex of any kind in any manner, shape or form, with President Clinton."... That statement is a completely false statement. Whether or not Mr. Bennett knew of your relationship with Ms. Lewinsky, the statement that there was "no sex of any kind in any manner, shape or form, with President Clinton," was an utterly false statement. Is that correct?

PRESIDENT CLINTON: It depends on what the meaning of the word "is" is...

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Before the grand jury, Clinton made semantic defenses that were at times laughable...

- Newsweek, 9/28/1998

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With the two-hole experiment we are so to say in the very middle of complementarity. I remember an evening at the Carlsberg mansion with Harald Høffding, Bohr's predecessor there. Bohr explained among other things the two-hole experiment. Of course the remark was made: "but the electron must be somewhere on its road from source to observation screen," to which Bohr replied: "what is in this case the meaning of the word to be?" (p. 17)

- from H. B. G.Casimir (1986). Epistemological Considerations. In J. de Boer, E. Dal, and O. Ulfbeck, The Lesson Of Quantum Theory: Proceedings of the Niels Bohr Centenary Symposium, October 4-7, 1985 (pp. 13-20). Amsterdam: Elsevier.

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A simple description of the quantum physics experiment Bohr was talking about:

See the Java animated page for the cool demonstration; do the animations and give the interference pattern about two minutes to build up clearly.

See the somewhat mathematical page for the serious version.

See the historically oriented page for the background of quantum theory.