In the laboratory there are no fustian ranks, no brummagem aristocracies; the domain of Science is a republic, and all its citizens are brothers and equals, its princes of Monaco and its stonemasons of Cromarty meeting, barren of man-made gauds and meretricious decorations, upon the one majestic level!

[The Bible is] a mass of fables and traditions, mere mythology.

As I have said before, I never had any large respect for good spelling. That is my feeling yet. Before the spelling-book came with its arbitrary forms, men unconsciously revealed shades of their characters, and also added enlightening shades of expression to what they wrote by their spelling, and so it is possible that the spelling-book has been a doubtful benevolence to us.

Every person is a book, each year a chapter.

What is the chief end of man?-to get rich. In what way?-dishonestly if we can; honestly if we must. Who is God, the one and only true? Money is God. Gold and Greenbacks and Stock-father, son, and ghosts of same, three persons in one; These are the true and only God, mighty and supreme.

Marriage -- yes, it is the supreme felicity of life. I concede it. And it is also the supreme tragedy of life. The deeper the love the surer the tragedy. And the more disconsolating when it comes.

If you should rear a duck in the heart of the Sahara, no doubt it would swim if you brought it to the Nile.