1 Corinthians 15:6 After that, he appeared to more than five hundred of the brothers and sisters at the same time, most of whom are still living, though some have fallen asleep.
We have a hard time believing some people when they tell us something and Jesus knew this!
He appeared to the most important humans in His life after His death and then started appearing to more and more people.
He wanted enough people to know the truth so they would be able to convince others of this truth...