However, it is worth noting that there is no definitive answer or consensus on which quote specifically holds the title of "the most famous quotation of Shakespeare." Various quotations from Shakespeare's works have gained immense popularity and recognition over time. Some other notable contenders for the title include:
"All that glitters is not gold" (The Merchant of Venice, Act II, Scene VII)
"If music be the food of love, play on" (Twelfth Night, Act I, Scene I)
"But, soft, what light through yonder window breaks? / It is the East, and Juliet is the sun" (Romeo and Juliet, Act II, Scene II)
"Life's but a walking shadow, a poor player / That struts and frets his hour upon the stage / And then is heard no more" (Macbeth, Act V, Scene V)
"When he shall die, / Take him and cut him out in little stars / And he will make the face of heaven so fine / That all the world will be in love with night" (Romeo and Juliet, Act III, Scene II)
These are just a few examples of the many iconic lines that Shakespeare has written, and their significance and popularity may vary depending on individual preferences and interpretations.