Camilla, the Queen Consort, once said that King Charles’s destiny didn’t “weigh heavily on his shoulders”, but he acceded to the throne with a country in crisis and a monarchy seeking to reshape its role for the modern age.
Over what has been described as a “50-years apprenticeship”.
King Charles has championed his causes and concerns, from better training and opportunities for young people to pollution and the climate crisis.
He has lobbied UK ministers with letters described as “black spider memos” because of the scrawled handwriting, rallied business leaders and urged action on the international stage.
Royal observers say that, for the court of King Charles to succeed in the face of formidable challenges, one of his most crucial attributes will need to be self-restraint.
On Friday evening, he said: “I now solemnly pledge myself to uphold the constitutional principles at the heart of our nation.”
He said his new life meant he could not give so much of his time and energy to the charities and issues he cared about so deeply.
Sir Jonathon Porritt was co-founder of the Prince of Wales’s Business & Sustainability Programme.
Advised the prince on the environment, said: “He’s never going to resile from the ideas and passionate convictions, but the way he will bring them into his role as a constitutional monarch will be completely different.