"...to fast is to turn our back on the pleasures of the flesh, to suffer hunger and thirst, our eyes fixed on truth and wisdom...We cry and fast when the bridegroom is taken away from us;...and our mourning will be true if our soul burns with the desire to see him again." (Augustine, Sermiones, 210, 4)"

How to call stream_publish on a child Facebook app using the Facebook PHP API

$facebook = new Facebook($childApiKey, $sessionSecret);
$facebook->api_client->session_key = $sessionKey;
$facebook->api_client->use_session_secret($sessionSecret);
$facebook->api_client->stream_publish('Hello!');

where $sessionKey and $sessionSecret appear in $_COOKIE['[apiKey]_session_key'] and $_COOKIE['[apiKey]_ss'].