Reading books is an importan habit today. It's affect directly to the development of the civilization of mankind by its advantages . Let us start by considering the fact: Reading is better insight into the society. The majority of people claim that reading helps much in improving knowledgement. By the way, we can make it clearly to find that reading sharpens our knowlegde and skills. Thus, human can learn the experiences from the past's failure and avoid it. Last but not least, we can relax by reading as it's definitely interesting. In conclusion, reading is totally useful.
Grammar and composition would both need to be worked on. Try to also use formal/academic language to establish an informative tone. While you have satiated the base requirements for a paragraph-long essay, you need work on your substantiation to create more concrete content.
Let's revise a couple of points in your essay.
[...] It has affected directly the development of civilization. Mankind has been immersed to its advantages. Because reading has brought in-depth insight to society, reading certainly has assisted in the improvement of knowledge. It is vivid that reading has sharpened our knowledge and skills. This has enabled human beings to learn from the experiences and failures of the past to potentially avoid it in the future. Moreover, reading has brought relaxation to our lives. Because of this, we may conclude that it is a useful task to partake in.
Words such as by the way and the phrasing of the third sentence are all inappropriate when you're constructing formal tones in your essay. Ensure that you will always try to evade these concerns through following through with conventions and rules.
Best of luck.