Example: 王朔“动物凶猛”：“当我们纷纷走向了社会，在人生旅途上各行其道，殊途不同归。”

According to Baidu 百科: 各行其道是指各自按照自己的轨迹行走或按认为对的去做。 "各行其道" means each person follows each of their own paths or does as one thinks is right. (https://baike.baidu.com/item/%E5%90%84%E8%A1%8C%E5%85%B6%E9%81%93)