"They are Sermons of a bold, uncompromising thinker--of a man resolute for the truth of God, and determined in the strength of God's grace to make that truth clear, to brush away all the fine-spun sophistries and half-truths by which the cunning sins of men have hidden it.... There must be a great and true heart, where there is a great and true preacher. And in that, beyond everything else, lay the secret of Mr. Robertson's influence. His Sermons show evidence enough of acute logical power. His analysis is exquisite in its subtleness and delicacy.... With Mr. Robertson style is but the vehicle, not the substitute for thought. Eloquence, poetry, scholarship, originality--his Sermons show proof enough of these to put him on a level with the foremost men of his time. But, after all, their charm lies in the warm, loving, sympathetic heart, in the well-disciplined mind of the true Christian, in his noble scorn of all lies, of all things mean and crooked, in his brave battling for right, even when wrong seems crowned with success, in his honest simplicity and singleness of purpose, in the high and holy tone--as if, amid the discord of earth, he heard clear, though far off, the perfect harmony of heaven; in the fiery earnestness of his love for Christ, the devotion of his whole being to the goodness and truth revealed in him."
"It is hardly too much to say, that had the Church of England produced no other fruit in the present century, this work alone would be amply sufficient to acquit her of the charge of barrenness.... The reputation of Mr. Robertson's Sermons is now so wide-spread, that any commendation of ours may seem superfluous. We will therefore simply, in conclusion, recommend such of our readers as have not yet made their acquaintance, to read them carefully and thoughtfully, and they will find in them more deeply suggestive matter than in almost any book published in the present century."
"They are distinguished by masterly exposition of Scriptural truths and the true spirit of Christian charity."
"These Sermons are full of thought and beauty, and admirable illustrations of the ease with which a gifted and disciplined mind can make the obscure transparent, the difficult plain. There is not a Sermon that does not furnish evidence of originality without extravagance, of discrimination without tediousness, and of piety without cant or conventionalism."