The author defines since the history of human existence with philosophy. Philosophy is the study of life for living with science and nature. As our life is regarding our surviving that is an internal and external life. Our body is external whereas our mind is internal. Living is regarding our food, clothing including our society, house or an infrastructure and so on. Nature is the trees, cloud, insects, animals or even human beings. Finally, science is an air, oxygen, rainfall, gravity and so on. Philosophy is fact which creation needs knowledge or power of understanding. It is very simple but words make sentences and its paragraphs has further meaning. It is very courageous to create manifest into this world. The following are different definition that author explains so would be very easy for readers to understand.