"Stubborn and ardent clinging to one's opinion is the best proof of stupidity.

A man is not hurt so much by what happens, as by his opinion of what happens.
A man is not hurt so much by what happens, as by his opinion of what happens.
A man is not hurt so much by what happens, as by his opinion of what happens.
A man is not hurt so much by what happens, as by his opinion of what happens.