The oath of office for the president of the United States.

"I do solemnly swear that I will faithfully execute the office of president of the United States and will to the best of my ability, preserve, protect and defend the Constitution of the United States."

"I do solemnly swear (or affirm) that I will faithfully execute the office of President of the United States, and will to the best of my ability, preserve, protect, and defend the Constitution of the United States."

“Juro (o afirmo) solemnemente que desempeñaré legalmente el cargo de Presidente de los Estados Unidos y que sostendré, protegeré y defenderé la Constitución de los Estados Unidos, empleando en ello el máximo de mis facultades”.