How many a man has dated a new era in his life from the reading of a book.

Books are for the most part willfully and hastily written, as parts of a system to supply a want real or imagined.

In accumulating property for ourselves or our posterity, in founding a family or a state, or acquiring fame even, we are mortal; but in dealing with truth we are immortal, and need fear no change nor accident.

Remember that you need not eat unless you are hungry.

New earths, new themes expect us.

I suppose you think that persons who are as old as your father and myself are always thinking about very grave things, but I know that we are meditating the same old themes that we did when we were ten years old, only we go more gravely about it.

I never found the companion that was so companionable as solitude. [It allows you to] be the Mungo Park, the Lewis and Clark of your own streams and oceans; [to] explore your own higher latitudes; [to] be a Columbus to whole new continents and worlds within you, opening new channels, not of trade, but of thought.