Formal:
* "Harken to the words of wisdom spoken by the elder." (This emphasizes listening with respect and attention.)
* "The king commanded his subjects to hearken to the law of the land." (This highlights the importance of obeying a command.)
* "The ancient scrolls urged us to hearken to the whispers of our ancestors." (This creates an air of mystery and importance.)
Informal:
* "Harken, my friends, for I have a tale to tell!" (This is more playful and less formal.)
* "I hearken to the rhythm of the waves crashing on the shore." (This emphasizes listening passively and enjoying the sounds.)
* "If you want to find the truth, you must hearken to your inner voice." (This is more personal and emphasizes listening to oneself.)
Remember: "Harken" is a somewhat archaic word and is best used in formal or literary settings.