Art has an enemy called ignorance.

Art hath an enemy called ignorance.

They say Princes learn no art truly, but the art of horsemanship. The reason is, the brave beast is no flatterer. He will throw a prince as soon as his groom.

We are educated in the grossest ignorance, and no art omitted to stifle our natural reason; if some few get above their nurses instructions, our knowledge must rest concealed and be as useless to the world as gold in the mine.

I have betrayed myself with my own tongue; The case is altered

Good men are the stars, the planets of the ages wherein they live, and illustrate the times.