American mind a wilderness of opportunities.

It seems to be a rule of wisdom never to rely on memory alone.

But the best read naturalist who lends an entire and devout attention to truth, will see that there remains much to learn of his relation to the world, and that it is not to be learned by any addition or subtraction or other comparison of known quantities, but is arrived at by untaught sallies of the spirit, by a continual self-recovery, and by entire humility.

The great make its feel, first of all, the indifference of circumstances. They call into activity the higher perceptions, and subdue the low habits of comfort and luxury; but the higher perceptions find their objects everywhere; only the low habits need palaces and banquets.

Let a man behave in his own house as a guest.

Why needs a man be rich? Why must he have horses, fine garments, handsome apartments, access to public houses, and places of amusement? Only for want of thought.

Every spirit builds itself a house; and beyond its house, a world; and beyond its world a heaven. Know then, that the world exists for you: build, therefore, your own world.