Qur'an on seas and oceans and seas
Modern Science has discovered that in the places where two different seas meet, there is a barrier between them. This barrier divides the two seas so that each sea has its own temperature, salinity, and density. For example, Mediterranean sea water is warm, saline, and less dense, compared to Atlantic Ocean water. When Mediterranean sea water enters the Atlantic over the Gibraltar sill, it moves several hundred kilometers into the Atlantic at a depth of about 1000 meters with its own warm, saline, and less dense characteristics.
Although there are large waves, strong currents, and tides in these seas, they do not mix or transgress this barrier.
The Holy Qur'an mentioned that there is a barrier between two seas that meet and that they do not transgress. God has said:
He has set free the two seas meeting together. There is a barrier between them. They do not transgress. (Qur’an, 55:19-20)
This information has been discovered only recently, using advanced equipment to measure temperature, salinity, density, oxygen dissolubility, etc. The human eye cannot see the difference between the two seas that meet, rather the two seas appear to us as one homogeneous sea. Likewise, the human eye
cannot see the division of water in estuaries into the three kinds: fresh water, salt water, and the partition (zone of separation).
There the question has to asked like the question on the universe how could Mohammad have possibly known that that 2 different seas do not transgress. Last time I said that it was maybe possible that the illiterate Mohammad may have just guessed this but it is very unlikely that he would have guessed right about the fact the universe would made of cloud and now this about 2 adjacent oceans having their own temperatures. So this does sort of lead you to the point that Allah did make the world and then he sent his revelations about it to Mohammad and he has simply wrote them down.
The Meaning and Essence of Islam
The authentic meaning of islam is submission and complete encapsulating to the commands of Allah and to him himself. You must believe completely in him and you must do everything that he says without question.
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Allah when creating the universe has taken into account all of the laws whether it be gravity or momentum everything has a law to which it submits; the sun, the moon, the stars, the night, the day, the land, the trees, and the beasts; all submit to a rule which Allah, the Creator, has designated for all these things. Even man himself, when you consider his physical construction, and biological compounds, his need for water and nutrition, heat, air and sleep without all of these you will die.
Another law that Islam is all about is that Allah is the majestic king and he created the perfect world and if everyone love and obeys Allah the world will be at peace and if everyone obeys Allah then the world will be at peace.