Definition: yielding or bringing returns; gainful; lucrative; useful; advantageous; beneficial

• I’ve never been poor, only broke. Being poor is a frame of mind. Being broke is a temporary situation. — Mike Todd (1907-1958) American producer
• The most excellent and divine counsel, the best and most profitable advertisement of all others, but the least practiced, is to study and learn how to know ourselves. This is the foundation of wisdom and the highway to whatever is good. — Pierre Charron (1541-1603) French Catholic theologian