Determination and settled conviction in the speaker's mind, especially when accompanied by a marked degree of dignity, calmness, and self-control, cause equal stress on every part of the vowel sound. This is called thorough stress:
If every ducat in six thousand ducats Were in six parts, and every part a ducat, I would not draw them; I would have my bond.
It is the stress of quiet strength and great reserve force:
Though the water flashed around them, Not an eye was seen to quiver; Though the shot flew sharp and deadly, Not a man relax'd his hold.
In a more marked degree, it is also the stress used in calling:
Then rose a warning cry behind, a joyous shout before:
"The current's strong,—the way is long,—they'll never reach the shore!
See, see! they stagger in the midst, they waver in their line!
Fire on the madmen! break their ranks, and whelm them in the Rhine!"