We rail at trade, but the historian of the world will see that it was the principle of liberty; that it settled America, and destroyed feudalism, and made peace and keeps peace; that it will abolish slavery.

If you would know what nobody knows, read what everybody reads, just one year afterwards.

The use of natural history is to give us aid in supernatural history: the use of the outer creation, to give us language for the beings and changes of the inward creation.

Nothing is at last sacred but the integrity of your own mind. Absolve you to yourself, and you shall have the suffrage of the world.

The condition which high friendship demands is ability to do without it.

In America and Europe, the nomadism is of trade and curiosity.

What art can paint or gild any object in after life with the glow which nature gives to the first baubles of childhood? St. Peter's cannot have the magical power over us that the red and gold covers of our first picture-book possessed.