Hamlet, Act III, Scene I- Perhaps the most famous of Shakespearean lines, the anguished Hamlet ponders the purpose of life and suicide in this short but profound soliloquy.
'To be, or not to be: that is the question'
All's Well That Ends Well, Act I, Scene II- A simple piece of wisdom that is loved by many, was spoken by the Countess of Roussillon to her son, as he sets out for court far away.
'Love all, trust a few, do wrong to none'
Antony & Cleopatra, Act III, Scene IV- Antony here worries about losing himself in his devotion to Cleopatra, noting how slavish love can destroy one's honour.
'If I lose mine honor, I lose myself'
A Midsummer Night's Dream, Act V, Scene I- This quote summarises the importance of speaking the truth against empty chatter.
'It's not enough to speak, but to speak true'
Twelfth Night, Act III, Scene I- These lines were spoken by Olivia in The Twelfth Night as she speaks of the joy of unexpected love, rather than that which is pined for.
'Love sought is good, but given unsought is better
Romeo and Juliet, Act II, Scene II- These lines were spoken by Juliet at the end of the famous balcony scene. It describes the mixed feeling of parting away from a loved one.
'Good night, good night! Parting is such sweet sorrow'