The books which help you most are those which make you think the most. The hardest way of learning is by easy reading; every man that tries it finds it so. But a great book that comes from a great thinker, — it is a ship of thought, deep freighted with truth, with beauty too.

Marriages are best made of dissimilar material.

There never was a great truth but it was reverenced; never a great institution, nor a great man, that did not, sooner or later, receive the reverence of mankind.

Manly natural religion - it is not joining the Church; it is not to believe in a creed, Hebrew, Protestant, Catholic, Trinitarian, Unitarian, Nothingarian. It is not to keep Sunday idle; to attend meetings; to be wet with water; to read the Bible; to offer prayers in words; to take bread and wine in the meeting house; love a scape-goat Jesus, or any other theological clap-trap.

Be not familiar with the idea of wrong, for sin in fancy mothers many an ugly fact.

The union of men in large masses is indispensable to the development and rapid growth of the higher faculties of men. Cities have always been the fireplaces of civilization whence light and heat radiated out into the dark cold world.

I do not pretend to understand the moral universe; the arc is a long one, my eye reaches but little ways; I cannot calculate the curve and complete the figure by the experience of sight, I can divine it by conscience. And from what I see I am sure it bends towards justice.