If, As I Have Reason To Believe,

[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.

Should A Young Scientist Working With Me Come To Me After Two Years Of Such Work And Ask Me What To Do Next, I Would Advise Him To Get Out Of Science. After Two Years Of Work, If A Man Does Not Know What To Do Next, He Will Never Make A Real Scientist.

A Theory That You Can't Explain To A Bartender Is Probably No Damn Good.

I Congratulate You Both On A Fine Piece Of Work Which I Am Sure Will Ultimately Prove Of Importance. I Am Personally Very Much Interested In Your Results... In The Past I Have Tried A Number Of Experiments... But Without Any Success.

A Good Scientific Theory Should Be Explicable To A Barmaid.