Did William Shakespeare say “The better part of valour is discretion”?

Did William Shakespeare say “The better part of valour is discretion”?

Found word for word. Yes. The text appears in works attributed to William Shakespeare. Source and location below.

… man who hath not the life of a man; but to counterfeit dying when a man thereby liveth, is to be no counterfeit, but the true and perfect image of life indeed. The better part of valour is discretion; in the which better part I have saved my life. Zounds, I am afraid of this gunpowder Percy, though he be dead. How if he should counterfeit too, and rise? By my faith, I am afraid he would prove the better counterfeit. Therefore I'll make him sure; yea, and I'll swear I kill'd him. Why may not he rise as well as I? Nothing confutes me but eyes, and nobody sees me. Therefore, sirrah [stabs him], with a new wound in your thigh, come you along with me.
The Complete Works of William Shakespeare — William Shakespeare, Scene IV. Another part of the field. · ¶1564 · Public domain (US), Project Gutenberg #100 · source

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