The most primitive places left with us are the swamps, where the spruce still grows shaggy with usnea.

Treat your friends for what you know them to be. Regard no surfaces. Consider not what they did, but what they intended.

Verily, chemistry is not a splitting of hairs when you have got half a dozen raw Irishmen in the laboratory.

I believe that the mind can be permanently profaned by the habit of attending to trivial things, so that all our thoughts shall be tinged with triviality.

There were times when I could not afford to sacrifice the bloom of the present moment to any work, whether of the head or hand. I love a broad margin to my life.

Renew thyself completely each day.

The sun rarely shines in history, what with the dust and confusion; and when we meet with any cheering fact which implies the presence of this luminary, we excerpt and modernize it.