Taken from the book 12 rules for life:
Expedience is the following of blind impulse. Meaning is it's mature replacement. Meaning emerges when impulses are regulated, organized and unified. From the interplay of the possibilities of the world, and the value structure operating within that world.
More powerful than mere words can express. Spanning the entire breath of human emotion, from despair to exhilaration. Meaning is what manifests itself when the many levels of being arrange themselves into a perfect functioning harmony. Such that past present and future are at once redeemed and reconciled.