Knowledge and good Intentions together ensure continuance of success. A fine intellect wedded to a wicked will was always an unnatural monster. A wicked will envenoms all excellences: helped by knowledge it only ruins with greater subtlety. ’Tis a miserable superiority that only results in ruin. Knowledge without sense is double folly.

THE ART OF WORLDLY WISDOM BY BALTHASAR GRACIAN
TRANSLATED BY JOSEPH JACOBS 1892