The obstinacy of cleverness and reason is nothing to the obstinacy of folly and inanity.

'Tis known by the name of perseverance in a good cause, and of obstinacy in a bad one.

May God in his mercy enable us without obstinacy to perceive our errors.

Obstinacy is the result of the will forcing itself into the place of the intellect.

One of the satisfactions of a genius is his will-power and obstinacy.

Public opinion is a compound of folly, weakness, prejudice, wrong feeling, right feeling, obstinacy, and newspaper paragraphs.

Obstinacy in a bad cause is but constancy in a good.

The difference between perseverance and obstinacy is that one comes from a strong will, and the other from a strong won't.