His heart burned within him when he looked forth upon the contest, and impassioned words proceeded from him, both in poetry and prose.

The contemplative calmness of his position, and the depth and intensity of his feelings, combined together to give a dignity and clearness, a vigour and splendour, and, consequently, a lasting value, to his writings on measures of domestic and foreign policy, qualities that rarely belong to contemporaneous political effusions produced by those engaged in the heat and din of the battle.

This remark is specially applicable to his tract on the Convention of Cintra....
Whatever difference of opinion may prevail concerning the relevance of the great principles enunciated in it to the questions at issue, but one judgment can exist with respect to the importance of those principles, and the vigorous and fervid eloquence with which they are enforced.

If WORDSWORTH had never written a single verse, this Essay alone would be sufficient to place him in the highest rank of English poets....

Enough has been quoted to show that the Essay on the Convention of Cintra was not an ephemeral production, destined to vanish with the occasion which gave it birth.