In Shakespeare's sonnets, poets often discuss the power and value of love and friendship. He emphasized the preciousness of friendship and love and their importance in life. The poet also expressed his yearning for true friendship and love, and his disgust for false friendship and love.
In addition, Shakespeare's sonnets also emphasize the important role of poetry in expressing emotions and thoughts. The poet praised the artistic value and strength of poetry and expressed his love and appreciation for literature and art.
Generally speaking, the themes of Shakespeare's sonnets cover the meaning, value, love, friendship, literature and art of life, which are often discussed by Shakespeare in other literary works.