Authors:

Why, thou knowest I am as valiant as Hercules, but beware instinct. The lion will not touch the true prince. Instinct is a great matter. I was a coward on instinct.

William Shakespeare, James Boswell, Edmond Malone, Alexander Pope, Samuel Johnson (1821). “The Plays and Poems of William Shakspeare: With the Corrections and Illustrations of Various Commentators”, p.281
Why, thou knowest I am as valiant as Hercules, but beware instinct. The lion will not touch the true prince. Instinct is a great matter. I was a coward on instinct.