The difference between perseverance and
obstinacy is that one often comes from a strong
will, and the other from a strong won't.
?Henry Ward Beecher
Obstinacy is ever most positive
when it is most in the wrong.
?Suzanne Curchod Necker
They defend their errors as if they
were defending their inheritance.
?Edmund Burke
'Tis known by the name of perseverance in
a good cause -- and of obstinacy in a bad one.
?Laurence Sterne
The obstinacy of cleverness and reason is
nothing to the obstinacy of folly and inanity.
?Harriet Beecher Stowe