"Astraeus,' Aven called out. 'God of the four winds and friend to sailors. Say a little prayer when you look at him, so he will give us what we need to keep our course.' A little prayer?' said Jack. 'To a constellation?' To what it represents,' said Aven. But I don't believe in what it represents,' said Jack. Prayers aren't for the deity,' said Aven. 'They're for you, to recommit yourself to what you believe.' Can't you do that without praying to a dead Greek god?' Sure,' said Aven. 'But how often would anyone do that, if not in prayer?"