Philosophy is the discipline that studies fundamental and universal questions, including existence, knowledge, values, reason, and language. It covers many subjects and issues, ranging from ethics and political figures to metaphysics and logic. Here are principal aspects of philosophy: 
 
1. Definition of Philosophy 
Philosophy comes from the Greek words "philos" (love) and "sophia" (wisdom). It is zeal to understand and make sense of the world around us and our place in it. 
 
2. The Main branches of philosophy 
- Ontology research of the essence of being and existence. 
- Epistemology the study of the nature and limits of cognition. 
- Ethics the analysis of moral principles and concepts of good deed and evil. 
- Logic the study of the forms and principles of correct thinking. 
- Political philosophy the study of questions of power, justice and the state. 
 
3. Notable Philosophers 
During the history of philosophy, almost many thinkers have made meaningful contributions to this science. Some of the most recognizable include: 
- Socrates, considered the founder of Western philosophy. 
- Plato, a pupil of Socrates, developed the doctrine of forms. 
- Aristotle, the creator of logic and a huge number of scientific fields. 
- Immanuel Kant, known for his <a href=https://thephilosopher.net/prust/>Marcel Proust</a> critical philosophy and work on moral issues. 
 
4. The Relevance of Philosophy in the Modern World 
Philosophy remains relevant in the modern world because enables people to understand difficult social and ethical issues, but also develops critical thinking. It influences the legal system, politicians, and various fields of science. 
 
5. Practical Applications of Philosophy 
 
Philosophical ideas penetrate everyday life. Ethical reflection helps people do the right thing in difficult situations, and philosophical analysis contributes to greatest understanding of issues related to technology, art, and social justice. 
 
Philosophy is including an academic discipline, yes and method of thinking that helps us to understand life's complexities and make informed choices.