The document contrasts what is easy versus what is difficult. It provides examples of things that are easy, such as getting someone's contact information or making mistakes, as well as things that are difficult, like maintaining meaningful relationships or learning from one's mistakes. While easy things require little effort, difficult things are more rewarding as they promote growth and improvement. The document advocates embracing challenges rather than avoiding them, as an easy life without effort can make one weaker, whereas difficult tasks keep one sharp and healthy.