This world is very good as if we do good deeds then we will get its fruits. World is bitter for those who are live their life with corruption or sins.
Always grow flowers, as that will make your way full of flowers. Never grow thorns, as that will make your way thorny. Never want to target someone on an arrow. You may become the target of that arrow. Never make a well in the way of someone. As you may pass by that way sometime.
If the partridge didn't call at the wrong moment, Neither the hunter nor the falcon would know of it. It follows from this point also, That everyone's voice betrays him.
There is no doubt in the sanctity of Mecca, but a donkey won't become a Hajj pilgrim by just going through the motions.