Knowledge by it self is partial and indirect but we do require .Philosophy makes one to understand the nature of knowledge and its limitations. Nature of philosophy is basically logical hence can remove superstitions accrued.
Any living organism requires food and sleep to survive. Philosophy of man based on questioning like what,when,how,where.Tons of literature produced answering these questions, later what was called as...
"a belief (or system of beliefs) accepted as authoritative by some group or school", "any personal belief about how to live or how to deal with a situation" and "the rational investigation of...
The nature of Philosophy is intellectual & purely Logical, and the nature is totally based on thinking power and Thoughts of Human mind. It is about Thoughts and ideas of man.