"The prompt assimilation of that intelligence will be essential if we are to avoid another September 11th"

This quote by Adam Schiff is describing the requirement for the United States to be knowledgeable about possible threats and to act quickly to prevent them. He is recommending that the United States must be vigilant and do something about it to avoid another attack like the one that occurred on September 11th, 2001. He is highlighting the significance of intelligence event and the need to act upon that intelligence in a prompt manner. He is recommending that the United States must be proactive in order to prevent another attack of this magnitude. He is likewise recommending that the US needs to be prepared to act rapidly and decisively in order to safeguard its people and its interests. By doing so, the United States can prevent another disaster like the one that occurred on September 11th.