Could you check my grammar mistakes please?

Science has developed incredibly fast over the past two centuries. Scientific knowledge has grown to fantastic proportions. A lot of things appeared due to the achievements science. They have made our lives more comfortable. We must not forget the great achievements of medical science. We quickly learned to cure many diseases due to these achievements. Discoveries scientists can not but rejoice
Science and education are very important in our lives. Science is difficult. Courage, persistence, perseverance person needs to do science. This makes the work of scientists dramatic. Science is necessary. Research activities brings up personality. It also develops memory and observation. A person can learn about the world through reason. He can also change the environment. Scientist creates new things
Science is the engine of progress. Not everyone understands this, and it's bad. Many people believe that the studies are a waste of time and effort
Science is nice. Firstly, because you get pleasure after overcoming difficulties. Secondly, because the research activity gives meaning to everyday life. Aesthetic pleasure, joy, all these feelings are filled daily activities of the scientist.
Scientists do science pleased because any negative disappears after we dive into our own research. So science helps sustain trouble. So I want to be a scientist because of these factors