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.

All history shows that, in exact proportion as nations advance in civilisation, the accounts of miracles taking place among them become rarer and rarer, until at last they entirely cease.

When men have appreciated the countless differences which the exercise of that judgment must necessarily produce, when they have estimated the intrinsic fallibility of their reason, and the degree in which it is distorted by the will, when, above all, they have acquired that love of truth which a constant appeal to private judgment at last produces, they will never dream that guilt can be associated with an honest conclusion, or that one class of arguments should be stifled by authority.

When it began, Christianity was regarded as a system entirely beyond the range and scope of human reason; it was impious to question; it was impious to examine; it was impious to discriminate. On the other hand, it was visibly instinct with the supernatural. Miracles of every order and degree of magnitude were flashing forth incessantly from all its parts.

Routine shortens and variety lengthens time, and it is therefore in the power of men to do something to regulate its pace. A life with many landmarks, a life which is much subdivided when those subdivisions are not of the same kind, and when new and diverse interests, impressions, and labours follow each other in swift and distinct successions, seems the most long.

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.

There are some poisons which, before they kill men, allay pain and diffuse a soothing sensation through the frame. We may recognize the hour of enjoyment they procure, but we must not separate it from the price at which it was purchased.