Mr Xi has previously emphasised that the Taiwan issue “cannot be passed on from generation to generation”.

Source: https://www.independent.co.uk/asia/east-asia/china-taiwan-war-us-russia-joseph-wu-b2325165.html

“The Taiwan issue is the core of China’s core interests, the foundation of the political foundation of Sino-US relations, and the first red line that should not be crossed in Sino-US relations,” he said in an annual speech on China.

Source: https://www.mariontoday.org/taiwan-warns-of-chinas-repeated-provocations/