Summary
This quote suggests that having knowledge about the right person can give someone a significant advantage or power. Simply possessing information is not enough; it is important to know the right people and have knowledge about them. Being aware of someone's strengths, weaknesses, connections, or secrets can allow individuals to influence or manipulate them, ultimately gaining power over them. Therefore, instead of focusing on acquiring knowledge indiscriminately, this quote suggests that strategic knowledge about specific individuals is the key to power.