The summary is:
The speaker discusses the concept of forgiveness from different perspectives, such as Christianity, Buddhism, and psychoanalysis. He argues that forgiveness is a challenge that can help us know ourselves better, overcome our vanity and anger, and live in harmony with others. He also distinguishes between forgiving and ignoring injustice or violence, and between being indifferent and being happy. He concludes by saying that it is very difficult to exist and we need to understand each other.
Here are the key facts extracted from the text:
1. The text is about the concept of forgiveness from different perspectives: Christianity, Buddhism, and psychoanalysis.
2. Christianity defines the essence of the Christian as a being who forgave and asks for forgiveness from God and others.
3. Buddhism does not have the notion of sin or God, but rather focuses on the impermanence of things and the illusions of the self.
4. Psychoanalysis suggests that what we cannot forgive in others may reveal something about ourselves, our desires, our fears, or our limitations.
5. Forgiveness is a challenge and an opportunity to know ourselves better, to gain control over ourselves, and to grow together with others.
6. Happy people do not get offended by life, do not pick on others, and do not follow the world to correct it.