Men fear thought as they fear nothing else on earth - more than ruin - more even than death. . . . Thought is subversive and revolutionary, destructive and terrible, thought is merciless to privilege, established institutions, and comfortable habit. Thought looks into the pit of hell and is not afraid. Thought is great and swift and free, the light of the world, and the chief glory of man.
He is a man of capacity who possesses considerable intellectual riches: while he is a man of genius who finds out a vein of new ore. Originality is the seeing nature differently from others, and yet as it is in itself. It is not singularity or affectation, but the discovery of new and valuable truth. All the world do not see the whole meaning of any object they have been looking at. Habit blinds them to some things: shortsightedness to others. Every mind is not a gauge and measure of truth. Nature has her surface and her dark recesses. She is deep, obscure, and infinite. It is only minds on whom she makes her fullest impressions that can penetrate her shrine or unveil her Holy of Holies. It is only those whom she has filled with her spirit that have the boldness or the power to reveal her mysteries to others.