Rene Descartes Rene Descartes (17 Th Century, France) is often called the Father of Modern philosophy. He believed that we must always have skepticism about our own knowledge. Question your own knowledge. Descartes two (2) philosophical concepts can be great lessons in leadership development. 1. ‘Cogito, Ergo Sum’ (I think, therefore I am) Descartes propounded that if a man thinks, then it means he exists. Thinking is the basis of existence & knowledge. Similarly a leader exists only when he thinks. A leader has to be a thinking man and not a deadwood. A leaders mind must think to plan, anticipate, strategize, innovate and create vision. Review your beliefs 2. Descartes says that always review your beliefs. To do so, analyze the source of your belief. If the source itself is unbelievable then you must discard that belief. Leadership & Descartes philosophy leadership must also review their long held beliefs in strategy, tactics, methods etc by going into t...