Claude Adrien Helvétius said this quote

To limit the press is to insult a nation to prohibit reading of certain books is to declare the inhabitants to be either fools or slaves: such a prohibition ought to fill them with disdain.

~ Claude Adrien Helvétius

Discipline is simply the art of making the soldiers fear their officers more than the enemy.

~ Claude Adrien Helvétius

Truth is the torch that gleams through the fog without dispelling it.

~ Claude Adrien Helvétius