The Most Dangerous Thing Is Illusion.

The Best Part Of Health Is Fine Disposition

It Is Much Better To Learn The Elements Of Geology, Of Botany, Or Ornithology And Astronomy By Word Of Mouth From A Companion Than Dully From A Book.

The Vulgar Call Good Fortune That Which Really Is Produced By The Calculations Of Genius.

If I Have Lost Confidence In Myself, I Have The Universe Against Me.

Wild Liberty Develops Iron Conscience. Want Of Liberty, By Strengthening Law And Decorum, Stupefies Conscience.