8.A sentimental person is liable to become cold-hearted while a capricious fellow is hard to change his nature.

情最難久，故多情人必至寡情；性自有常，故任性人終不失性。

【今文解譯】

情愛是最難長(zhǎng)久的，所以多情的人往往會(huì)變得寡情薄意。

天性是與生俱來的，所以任性的人不會(huì)改變自己的天性。

【English Translation】

Man's passions cannot last long, so those full of tender feelings and affections are liable to become cold-hearted.

Man's nature is innate and constant, so those with a wayward disposition will never change their nature indiscreetly.