They fought with more pertinacity than bulldogs.
This pertinacity engendered a belief in France that Italy was about to undertake in Tunisia a more aggressive policy than necessary for the protection of her commercial interests.
In the end the pertinacity of John triumphed.
Returning to France in 1815, he commanded a division on the French left wing at Waterloo and attacked Hougomont with great pertinacity.
Though, as above stated, the theory here promulgated owed its temporary success chiefly to the extraordinary assurance and pertinacity with which it was urged upon a public generally incapable of understanding what it meant, that it received some support from men of science must be admitted.