I think that those who serve most potently, work on levels of consciousness that have to do with radiating love — maybe God's love... It is important that you have a brain and use it, but that is secondary. The basic premise is that you allow something to come through you. Then you use your intelligence to give your heart's work discipline and logic. But the transformative energy, that which can change events, that heals, that helps, that serves, comes from somewhere deep inside.
You will only arrive at what you are aiming to achieve through the cultivation of two fundamental attitudes of soul. You must nurture a true love for what you represent, and also an insightful love of humanity. Be quite clear that if these two conditions are not met, you may be able to present material ever so logically, you may be able to demonstrate exceptional cleverness, and you will still not achieve anything.
To wonder at beauty, Stand guard over truth, Look up to the noble, Resolve on the good. This leadeth us truly To purpose in living, To right in our doing, To peace in our feeling, To light in our thinking. And teaches us trust, In the working of God, In all that there is, In the width of the world, In the depth of the soul.