Meanings of affirm positively in English

Who can affirm positively that they are never utilized?

Till the advent of this splendid apparition, who should dare affirm positively that he would never come?

Concerning this, it is impossible to affirm positively one way or the other; therefore his regrets were well grounded.

Richie, it is prudent-I maintain it righteous, nay, it is, I affirm positively, sovereign wisdom-tocultivate every flower in the British bosom.

CLEINIAS: No doubt this fact has been often affirmed positively by the ancients of these athletes.

As Margaret read these accusations one after another, the duke affirmed positively of each one that it was wholly unjust.

"Not a shadow of an idea," he affirmed positively.

On the other hand, without affirming positively, it should be said that Nelson's own impressions do not seem to have agreed with Scott's.

Make strong suggestions to yourself, affirming positively that you have the requisite amount of information and the ability to express it coherently and forcefully.