I have always had the urge to open forbidden doors: with a curiosity and an obstinacy that verge on masochism.
The obstinacy of the indolent and weak is less conquerable than that of the fiery and bold.
That which is called firmness in a king is called obstinacy in a donkey
A narrow mind begets obstinacy; we do not easily believe what we cannot see.
Obstinacy can bring only a penalty and no reward.
The difference between perseverance and obstinacy is that one often comes from a strong will, and the other from a strong won't.
After what happened yesterday -- notably at the Sorbonne -- with these images of brutality, I ask the government to end its obstinacy and stubbornness and open talks toward withdrawing this law.
Obstinacy in a bad cause is but constancy in a good.
I owe as much of my success to an uncompromising obstinacy as to any original ideas.
Obstinacy is the sister of constancy, at least in vigor and stability.