Who said, "Man is the only animal that blushes. Or needs to"?

Mark Twain said, “Man is the only animal that blushes. Or needs to”.

Who said, “Now look! That damned cowboy is president of the United States”? Senator Mark Hanna of Ohio said, "Now look! That damned cowboy is president of the United States" of Theodore Roosevelt in 1901.
What is the purpose of a skunk’s scent? The skunk uses his special body oil to defeat enemies that are larger, faster, and stronger than he is. The oil burns an attacker's eyes, nose, and mouth, causing temporary blindness and vomiting.…
Do different species of animals have different colors of blood? Yes. The blood of mammals is red, the blood of insects is yellow, and the blood of lobsters is blue.
Who invented Alka-Seltzer? The idea for Alka-Seltzer came from a newspaper editor in Elkhart, Indiana, in the 1920s. It was brought to the public by Hub Beardsley, president of the Dr. Miles Laboratories (now Miles Laboratories).…
In Annie Hall, what does Woody Allen claim is the only cultural advantage offered by Los Angeles? Woody Allen claimed is the only cultural advantage offered by Los Angeles is that you can make a right turn on a red light.
Who was the last president to be elected without winning the largest share of the popular vote? Benjamin Harrison, Republican, in 1888, was the last president to be elected without winning the largest share of the popular vote. Fewer ballots were cast for him at the polling booth than for…