"I believe that at every level of society — familial, tribal, national and international — the key to a happier and more successful world is the growth of compassion."
The royal couple has faced an avalanche of negative publicity over the past few months.
Last month, the Duke and Duchess of Sussex were accused of hypocrisy for taking four gas-guzzling private jet flights in just 11 days, while encouraging others to do their bit for the environment.
The couple also suffered intense criticism for their decision to keep their son Archie's christening private after receiving a taxpayer-funded renovation to their Frogmore cottage home.
The royal couple have their every move scrutinised. Photo / Getty Images
Earlier this month, current affairs show 60 Minutes delved into how the Duchess of Sussex's bad PR is causing a "royal crisis" - and how the former actress went from "adored to insufferable" in less than a year.
