Thank God men cannot fly, and lay waste the sky as well as the earth.

Why should I feel lonely? is not our planet in the Milky Way?

The animal merely makes a bed, which he warms with his body in a sheltered place; but man, having discovered fire, boxes up some air in a spacious apartment, and warms that, instead of robbing himself, makes that his bed, in which he can move about divested of more cumbrous clothing, maintain a kind of summer in the midst of winter, and by means of windows even admit the light and with a lamp lengthen out the day.

It would be worthy of the age to print together the collected Scriptures or Sacred Writings of the several nations, the Chinese, the Hindoos, the Persians, the Hebrews, and others, as the Scripture of mankind. The New Testament is still, perhaps, too much on the lips and in the hearts of men to be called a Scripture in this sense. Such a juxtaposition and comparison might help to liberalize the faith of men.... This would be the Bible, or Book of Books, which let the missionaries carry to the uttermost parts of the earth.

All perception of truth is the detection of an analogy.

I cannot easily buy a blank-book to write thoughts in; they are commonly ruled for dollars and cents.

If misery loves company, misery has company enough.