The human brain is capable of only one strong emotion at a time, and if it be filled with curiosity or scientific enthusiasm, there is no room for fear.
. . . that of all the propensities which teach mankind to torment themselves, that of causeless fear is the most irritating, busy, painful, and pitiable.
"You have plenty of courage, I am sure," answered Oz. "All you need is confidence in yourself. There is no living thing that is not afraid when it faces danger. The true courage is in facing danger when you are afraid, and that kind of courage you have in plenty."
Oh, haggard mind, groping darkly through the past; incapable of detaching itself from the miserable present; dragging its heavy chain of care through imaginary feasts and revels, and scenes of awful pomp; seeking but a moment's rest among the long-forgotten haunts of childhood, and the resorts of yesterday; and dimly finding fear and horror everywhere!
