What is the life? How to spend great life.. well before we must know about what is the life what you think about life? i think you have a answer, as well as other peoples have a answer also great people said each definitions about life. but, most practical and simple definition is; life is a effect of Causation this is the graceful truth of the Nature. If you can Comprehension ➤what is the truth of life ➤what is the reality of life you are one of the great human being in the world..! as an example; you perfect some subject or more subjects you already you have comprehension that subject and you feel how easy your subject better than some peoples. I think you know i mean what is power of Comprehension. Comprehension is the key to spend great life..!