Antonin Gregory Scalia has died. For some, it is the painful loss of a husband or father. For those who knew him, it is the loss of a good friend. For law students, it is the loss of a justice who wrote opinions with rigorous analysis, clarity of expression, and at times an acerbic wit.

For conservatives, it is the loss of a standard-bearer and icon. For liberals, it is the loss of an opponent who always fought hard but fair.

For those who never had the opportunity to know him, it is the loss of one of our greatest legal minds, of a judge and justice who had made, and will continue to make, legal history. And to those who were privileged to know him, it is the loss of a wonderful human being.

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More than 100 men and women have been justices of the Supreme Court. All decided the outcome of individual cases and made small changes in the law.

Few changed its course.

Some—such as Joseph Story, Oliver Wendell Holmes, Hugo Black, Earl Warren, William Brennan, and William Rehnquist—will be remembered for moving the Supreme Court in one direction or another.

They launched the court into its existence as an institution. They addressed some of the most important issues that can arise under our Constitution—issues involving the separation of powers, freedom of speech and religion, the integrity of the criminal justice process, and the relationship between government and the nation. They established the Supreme Court—rightly or wrongly—as one of the most powerful institutions in our nation. Their tenure still has a powerful effect today.

But even fewer justices changed the course of the law. John Marshall was one. Antonin Scalia was another.

Scalia taught us that the law matters, that the law is the written word, and that the written word takes its meaning from how history understands it, not what we wish it might mean.

For him, the law was a tablet whose meaning could be discerned by focusing on the meaning of the words it contained, rather than by asking ourselves what we want it to mean. The latter, he said, was the stuff of politics, not law, and he drew a line in the sand between the two.

He maintained that view of a judge’s role even when it was unfashionable to hold that belief because it may lead to outcomes we may not like. But he believed that it was his duty to uphold the rule of law, because only that rule separated us from the many nations on the Earth governed by the rule of might.

Robert F. Kennedy once said that the privilege of public service carried with it the opportunity to bend history.

Not only did Antonin Scalia bend it; he turned it in a different direction. We will be forever grateful to him for that. Requiescat in pace.