Passions weaken, but habits strengthen, with age, and it is the great task of youth to set the current of habit and to form the tastes which are most productive of happiness in life.

Whenever the clergy were at the elbow of the civil arm, no matter whether they were Catholic or Protestant, persecution was the result.

All over Europe the organs that represent dogmatic interests are in permanent opposition to the progressive tendencies around them, and are rapidly sinking into contempt. In every country in which a strong political life is manifested, the secularisation of politics is the consequence. Each stage of that movement has been initiated and effected by those who are most indifferent to dogmatic theology, and each has been opposed by those who are most occupied with theology.

The period of Catholic ascendancy was on the whole one of the most deplorable in the history of the human mind. . . . The spirit that shrinks from enquiry as sinful and deems a state of doubt a state of guilt, is the most enduring disease that can afflict the mind of man. Not till the education of Europe passed from the monasteries to the universities, not till Mohammedan science, and classical free thought, and industrial independence broke the sceptre of the Church, did the intellectual revival of Europe begin.

It had been boldly predicted by some of the early Christians that the conversion of the world would lead to the establishment of perpetual peace. In looking back, with our present experience, we are driven to the melancholy conclusion that, instead of diminishing the number of wars, ecclesiastical influence has actually and very seriously increased it.

The morals of men are more governed by their pursuits than by their opinions. A type of virtue is first formed by circumstances, and men afterwards make it the model upon which their theories are framed.

Faith always presented to the mind the idea of an abnormal intellectual condition, of the subversion or suspension of the critical faculties. It sometimes comprised more than this, but it always included this. It was the opposite of doubt and of the spirit of doubt. What irreverent men called credulity, reverent men called faith; and although one word was more respectful than the other, yet the two words were with most men strictly synonymous.