Discovery your purpose of life! , Islam is the way of life, good Muslim

All perfect praise be to Allah, The Lord of the Worlds. I testify that there is none worthy of worship except Allah, and that Muhammad is His slave and final Messenger of Allah Destiny is one of the most intriguing topic and at the same time its shrouded with lots of doubts and perplexities. The first question that arises is that if everything is preordained then what's the point of striving for it, and what about are freewill?, and most importantly what does Islam has to say about it? According to the hadith from Muslim (book of faith) believing in destiny is a part of IMAN. On the authority of Umar (ra) who said: One day while we were sitting with the Messanger of Allah (s), there came before us a man with extremely white clothing and extremely black hair. There were no signs of travel on him and none of us knew him. He [came and] sat next to the Prophet (pbuh). He supported his knees up against the knees of the Prophet (pbuh) and put his hand on his thighs. He said, ‘O Muh...