Allah commanded man to walk on the earth and reflect on the signs including the emergence of the universe
Allah said ( interpretation of the meaning ) : { Have they not considered how Allah begins creation and then repeats it? Indeed that, for Allah, is easy. } Quran ( 29: 19 )
Then he explained that the way to get this knowledge is reflecting on the universal signs
Allah said ( interpretation of the meaning ) : { Say, [O Muhammad], "Travel through the land and observe how He began creation. Then Allah will produce the final creation. Indeed Allah, over all things, is competent."} Quran ( 29: 20 )
#How_the_universe_emerged
When man walked, he reached some facts and results.