Birds never sing in caves.

I found in myself, and still find, an instinct toward a higher, or, as it is named, spiritual life, as do most men, and another toward a primitive rank and savage one, and I reverence them both. I love the wild not less than the good.

It would be glorious to see mankind at leisure for once. It is nothing but work, work, work.

Oh, one world at a time!

Expect no trivial truth from me, unless I am on the witness- stand. I will come as near to lying as you can drive a coach and four.

There is ripe fruit over your head.

Where is the "unexplored land" but in our own untried enterprises? To an adventurous spirit any place--London, New York, Worcester, or his own yard--is "unexplored land," to seek which Frémont and Kane travel so far. To a sluggish and defeated spirit even the Great Basin and the Polaris are trivial places.