“A howling wilderness does not howl: it is the imagination of the traveler that does the howling. -”

“Do not hire a man who does your work for money, but him who does it for love of it.”

“Knowledge does not come to us by details, but in flashes of light from heaven.”

“What avails it that another loves you, if he does not understand you? Such love is a curse.”

“Here is life, an experiment to a great extent untried by me; but it does not avail me that they have tried it.”

“What does education often do? It makes a straight-cut ditch of a free, meandering brook.”

“For I believe that climate does thus react on man--as there is something in the mountain air that feeds the spirit and inspires.”