Words are acoustical signs for concepts; concepts, however, are more or less definite image signs for often recurring and associated sensations, for groups of sensations. To understand one another, it is not enough that one use the same words; one also has to use the same words for the same species of inner experiences; in the end one has to have one's experiences in common.
The main thing is this: we should never blame anyone or anything for our defeats. No matter how evil their intentions may be, they are altogether unable to harm us until we begin to blame them and use them as excuses for our own unbelief.
We are adapted to infinity. We are hard to please, and love nothing which ends: and in nature is no end; but every thing, at the end of one use, is lifted into a superior, and the ascent of these things climbs into daemonic and celestial natures.
The conservation of our natural resources and their proper use constitute the fundamental problem which underlies almost every other problem of our national life.