Final answer:
The theme revealed in the lines is wisdom and caution. The counsel warns the young lord to be cautious and continue studying.
Step-by-step explanation:
The theme revealed in the lines is Wisdom and caution. The counsel is warning the young lord to be cautious and not to stop studying, as it is important for him to continue learning and gaining wisdom. The lines emphasize the importance of knowledge and the potential consequences of not heeding the advice given.