That, however, should be reckoned as loss which is certain to bring about greater losses still. Some become eminent in consequence of good qualities; others become so in consequence of wealth. Avoid them, O Dhritarashtra, that are eminent in wealth but destitute of good qualities!

In plain words: A real loss is one that leads to even bigger losses. Some people become important because of good character, others only because of money. Vidura tells the king to avoid people who are rich but have no good qualities.