The subsequent history testified to the importance of this controversy.
That Newton must have begun early to make careful observations of natural phenomena is sufficiently testified by the following remarks about halos, which appear in his Optics, book ii.
This visit cheered the queen, and the successes of the army which followed the arrival of Lord Roberts in Africa occasioned great joy to her, as she testified by many published messages.
Agriculture was formerly developed on the Tekez, as is testified by old irrigation canals.
Only eight months before, Catherine had haughtily declared that "the odious and revolting aggression" of the king of Sweden would be "forgiven" only if he "testified his repentance" by agreeing to a peace granting a general and unlimited amnesty to all his rebels, and consenting to a guarantee by the Swedish diet ("as it would be imprudent to confide in his good faith alone") for the observance of peace in the future.