Laurence Johnston Peter (September 16, 1919 – January 12, 1990) was a Canadian educator and "hierarchiologist" who is best known to the general public for the formulation of the Peter principle.
Education is a method whereby one acquires a higher grade of prejudices.
Oh, what a tangled web we weave when first we practice to believe.
Ignorance and inconsideration are the two great causes of the ruin of mankind.