“Man's mind, stretched by a new idea, never goes back to its original dimensions.”
Other Oliver Wendell Holmes, Jr. Quotes
To have doubted one's own first principles is the mark of a civilized man.
Oliver Wendell Holmes, Jr. 
61% of people like this quote
Men must turn square corners when they deal with the Government.
Oliver Wendell Holmes, Jr.
56% of people like this quote
It seems to me that at this time we need education in the obvious more than the investigation of the obscure.
Oliver Wendell Holmes, Jr.
56% of people like this quote