“Anyone who knows history, particularly the history of Europe, will, I think, recognize that the domination of education or of government by any one particular religious faith is never a happy arrangement for the people.”

“Will people ever be wise enough to refuse to follow bad leaders or to take away the freedom of other people?”

--Eleanor Roosevelt 
Everybody knows that the orbital momentum  is "quantized" and its z-projection  has integer eigenvalues in units of  . Too few, however, know that it is, in fact, a quasi-particle angular momentum which is integer-valued, not the particle one!