What does a wise man understand according to the wanderer?

According to the wanderer, a man of wisdom understands the value of prudence, good counsel, and fortitude in the face of uncertainty and adversity. As the wanderer states in the poem, "A wise man knows that prudence and good counsel are powerful companions to keep nearby." This suggests that a wise individual should carefully deliberate and seek advice before making important decisions. He also knows that "Fortitude is steadfast in all adversity," indicating that a wise man should remain steadfast and resolute even in the most challenging circumstances.