<human>:  What is the definition of philosophy?
<bot>: Philosophy is the study of ideas and issues, such as knowledge, truth, logic, beauty, morality, existence, and language. It is an ancient system of inquiry that seeks to explain the ultimate reality of the universe by examining the fundamental nature of being, thinking, and acting. Philosophers strive to gain knowledge and insight into the complexity of human experience, investigating how and why human beings think and act the way they do.