Gorsuch takes first of 2 oaths
You're referring to the confirmation of Neil Gorsuch to the Supreme Court of the United States!
On April 10, 2017, Neil Gorsuch took his first oath as an Associate Justice of the Supreme Court, which is administered by the Chief Justice of the United States. This oath is required by Article VI, Clause 3 of the United States Constitution, which states that all federal officials, including Supreme Court justices, must take an oath or affirmation to support the Constitution.
The oath is as follows:
"I, Neil M. Gorsuch, do solemnly swear that I will administer justice without respect to persons, and do equal right to the poor and to the rich, and that I will faithfully and impartially discharge and perform all the duties incumbent upon me, according to the best of my abilities and understanding, agreeably to the Constitution and laws of the United States. So help me God."
After taking this oath, Justice Gorsuch was officially sworn in as the 113th Associate Justice of the Supreme Court, filling the seat left vacant by the late Justice Antonin Scalia.