The most important thing to do for every minister and servant of God is as Jesus reaffirmed,
“You shall love the Lord your God with all your heart and with all your soul and with all your mind. This is the great and first commandment. And a second is like it: You shall love your neighbor as yourself.” (Mt 22:37-39 ESV)
If we move the commandment which is to be found in the second place to the first place, we will surely fail. Although both commandments count as equal, we may never forget that obeying the great commandment alone empowers us to love our neighbors with that love we received from God before (Rom 5:5). Also, if we drop the first commandment and try to love others (or ourselves) on our own, we will be frustrated because of not being able to love anyone including ourselves.