One day Allah's Messenger (PBUH), noticed a Bedouin leaving his camel without tying it. He asked the Bedouin, "Why don't you tie down your camel?" The Bedouin answered, "I placed my trust in Allah." At that, the Prophet (PBUH) said, "Tie your camel first, then place your trust in Allah." In other words, do your best and let God do the rest.