Moses reached a level of maturity, and was motivated by the spirit of God to leave the daughter of Pharaoh and all the wealth that Egypt would afford him to and made a conscience decision that he would rather suffer with his people than to enjoy what Egypt would give him that would only last a season. As children of God we must be more in touch with what we cannot visibly see now and yet prepare for (eternal life) than what we see now which is only (temporary)