玩火自焚
he who plays with fire gets burnt;whoever plays with fire shall perish by fire;Who sows the wind shall reap the whirlwind.
任何人妄图以任何方式把台湾从中国分裂出去，必将～，招致可耻的失败。Anyone who attempts to make Taiwan secede from China by any means is playing with fire and doomed to a disgraceful defeat.
玩火自焚wán huǒ zì fén
玩：玩弄；焚：烧。玩弄火的人反被火烧死。比喻做坏事的人自食其果。whoever plays with fire will perish by fire, play with fire and be consumed by fire, get burnt by playing with fire