Besides the pleasure derived from acquired knowledge, there lurks in the mind of man, and tinged with a shade of sadness, an unsatisfactory longing for something beyond the present, a striving towards regions yet unknown and unopened.
Wilhelm von HumboldtFaith can be interested in results only, for a truth once recognized as such puts an end to the believer's thinking.
Wilhelm von HumboldtPossession, it is true, crowns exertion with rest; but it is only in the illusions of fancy that it has power to charm us.
Wilhelm von Humboldt