One is human relationship or connection. When we see the shape of circle, we can know that circle is totally seamless. Probably that represents firm human relationship which does not break easily. In the relationship, all people are connected to everyone and no one is and will be out of it.
The other is that what we have done comes back to ourselves. For example, if we study hard, we can get high score in the test. Also, if we behave kindly to others, you can make good relationship with them. On the other hand, if we don’t study, we might fail the test, and if we are rude to others, we might lose their trust. In short, what you have done will determine our future.