Humans are mainly a temporary container for their genes
— Tim Urban, Wait But Why, Your Family: Past, Present, and Future, 28 January 2014

In context,

Writing this post has really hammered home the point that humans are mainly a temporary container for their genes. In 150 years, all 7,100,000,000 people alive today will be dead, but all of our genes will be doing just fine, living in other people.