“Some are born great, others achieve greatness.” is the famous quote from -

“Some are born great, others achieve greatness.” is the famous quote from Twelfth Night by William Shakespear.
His most famous quotes from Twelfth Night:
-“Be not afraid of greatness. Some are born great, some achieve greatness, and others have greatness thrust upon them.”
-“If music be the food of love, play on,
Give me excess of it; that surfeiting,
The appetite may sicken, and so die.”
-“Better a witty fool, than a foolish wit.”

Shakespear is known as “Bard of avon”. His famous plays are:
-The Merchant of Venice.
-A Midsummer Night's Dream
-Twelfth Night
-Romeo and Juliet
-Macbeth.

Source:Britannica.com