The important qualities any disciple of Jesus needs (now or in the past) are:
available: A disciple must be available, able to be used.
teachable: God is always teaching His disciples. About Himself and themselves.
faithful: A good disciple must be faithful to do as taught.
They needed to learn faith, trust, and believe.
its important because they are needed
Koalas are not needed but, very important to the fox.
Thomas, who was not there when Jesus appeared to all His disciples. He said that He wouldn't believe Jesus was back unless he touched His wounds.
it was important because they needed to know how to count
Jesus knew His time on earth would be brief. He needed the twelve men He picked as disciples to carry on the good news after His resurrection and ascention. The twelve were given the gift of the Holy Spririt through which they preformed miracles just as Jesus did.
Beautiful. Important. Perfect. Needed.
it was important because they needed to find queen isabella
Aqueducts are important because they bring water to where it is needed for consumption.
it was important because they needed to find out if washington was bad or not.
cellulose important in the diet as a source of needed fiber
It is just important to recover deleted files that are needed.