Quran encourages seeking knowledge about Allah's creations. Iman with knowledge and without are different. Meaning of seaking knowledge is very broad in Islam. If a person understans the wonders of Allah his iman is going to be very strong.
Essa is the son of mariyam ( mary) read in korhan chapter mariyam ( mary) brother.. Jesus is not god prophet send from Almighty Allaha to the world. Jesus and Prophet mohamed bring same information god Almighty Allaha. To pray only one god ( Almighty Allaha Allaha)