When someone doesn’t like to be your friend, just walk off and go on your merry way.
Life is too beautiful to be sad at one person’s rejection.
I am not particular on what publication or talk did he originally mention this but it is quite meaningful not only about the people who surround us but about the relationships we have with them. The post is reflective for me as I look back with the previous things that happened to me both in my professional and personal life.
The second line tells it all. Enjoy life!