Intolerance is a form of egotism, and to condemn egotism intolerantly is to share it.

Boston was a moral and intellectual nursery, always busy applying first principles to trifles.

A grateful environment is a substitute for happiness. It can quicken us from without as a fixed hope and affection, or as the consciousness of a right life, can quicken us from within.

The passions grafted on wounded pride are the most inveterate; they are green and vigorous in old age.

The quality of wit inspires more admiration than confidence

Religious doctrines would do well to withdraw their pretension to be dealing with matters of fact. That pretension is not only the source of the conflicts of religion with science and the vain and bitter controversies of sects; it is also the cause of the impurity and incoherence of religion in the soul.

We are not compelled in naturalism, or even in materialism, to ignore immaterial things; the point is that any immaterial things which are recognized shall be regarded as names, aspects, functions, or concomitant products of those physical things among which action goes on.