"Sibawayh's book has made it since the life of its owner, the widest echoes, and those who work in the old and glorify it, with its honesty in the transportation, and abundance in the material, and diversified in the eloquent methods .. in the good flipping of it, looked at it, and balanced between them .. then from Taste the choice, and he touches the meaning and commitment to his side strongly in what he chooses and takes it from faces, away from the prior rulings and absolute rules .. which opens the mind of the reader, and takes his hand to participate in deducting these rules that are guided in their paths.