HaLeiVi:
Truth,
They are not actually spiritually higher
What’s your basis for this. They are indeed on higher spiritual level, in certain aspects. again, even a mamzer, who is most certainly on lower spiritual level, can obtain a loftier spiritual level, if he becomes a talmid chochom. That does not change the kohens loftier spiritual level in other areas.
He told him to be certain not to allow opportunities to slip by, for they can benefit him and his decedents forever.