Secretary of State John Kerry gave a rare and pointed speech in which he sent a clear message to the Syrian regime of Bashar Assad that the use of chemical weapons defied "any code of morality."

"By any standard it is inexcusable, and despite the excuses and equivocations that some have manufactured, it is undeniable," Kerry said at the State Department on Monday, about the alleged use of chemical weapons on civilians in a Damascus suburb earlier this month.

We've pulled out two excerpts from the speech worth reading. It's important stuff, because if the U.S. and its allies decide to launch an attack on Syria, this could, ultimately, prove a pivotal moment.

On Why This Matters:

"The meaning of this attack goes beyond the conflict in Syria itself, and that conflict has already brought so much terrible suffering. This is about the large-scale, indiscriminate use of weapons that the civilized world long ago decided must never be used at all – a conviction shared even by countries that agree on little else. There is a clear reason that the world has banned entirely the use of chemical weapons. There is a reason the international community has set a clear standard and why many countries have taken major steps to eradicate these weapons. There is a reason why President Obama has made it such a priority to stop the proliferation of these weapons and lock them down where they do exist. There is a reason why President Obama has made clear to the Assad regime that this international norm cannot be violated without consequences. And there is a reason why no matter what you believe about Syria, all peoples and all nations who believe in the cause of our common humanity must stand up to assure that there is accountability for the use of chemical weapons so that it never happens again.

"Last night after speaking with foreign ministers from around the world about the gravity of this situation, I went back and I watched the videos, the videos that anybody can watch in the social media, and I watched them one more gut-wrenching time. It is really hard to express in words the human suffering that they lay out before us. As a father, I can't get the image out of my head of a man who held up his dead child, wailing while chaos swirled around him; the images of entire families dead in their beds without a drop of blood or even a visible wound; bodies contorting in spasms; human suffering that we can never ignore or forget. Anyone who can claim that an attack of this staggering scale could be contrived or fabricated needs to check their conscience and their own moral compass.

"What is before us today is real, and it is compelling. So I also want to underscore that while investigators are gathering additional evidence on the ground, our understanding of what has already happened in Syria is grounded in facts informed by conscience and guided by common sense. The reported number of victims, the reported symptoms of those who were killed or injured, the firsthand accounts from humanitarian organizations on the ground like Doctors Without Borders and the Syria Human Rights Commission – these all strongly indicate that everything these images are already screaming at us is real, that chemical weapons were used in Syria."

On The Evidence Before Us:

"What is before us today is real, and it is compelling. So I also want to underscore that while investigators are gathering additional evidence on the ground, our understanding of what has already happened in Syria is grounded in facts informed by conscience and guided by common sense. The reported number of victims, the reported symptoms of those who were killed or injured, the firsthand accounts from humanitarian organizations on the ground like Doctors Without Borders and the Syria Human Rights Commission – these all strongly indicate that everything these images are already screaming at us is real, that chemical weapons were used in Syria.

"Moreover, we know that the Syrian regime maintains custody of these chemical weapons. We know that the Syrian regime has the capacity to do this with rockets. We know that the regime has been determined to clear the opposition from those very places where the attacks took place. And with our own eyes, we have all of us become witnesses.

"We have additional information about this attack, and that information is being compiled and reviewed together with our partners, and we will provide that information in the days ahead."

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