1. Learn to live in the simplest way and don’t let complicated thoughts destroy the sweetness of life.

From: [British] Milton: "Paradise Lost"

2. There are thousands of forms of life, and each person can only experience one. Envying other people's happiness is just wishful thinking. Even if you get it, you won't enjoy it.

From: [France] Gide: "The Narrow Gate"

3. I always feel that my own life is interesting and worth living. I am convinced that people generally make their lives successful. The objective and psychological possibility of doing this seems to exist.

From: [USA] Einstein: "The Human Side"

4. The purpose of life should not be to control the world, society or the process of other people's lives, but to accept things and tolerating other people and loving these things and people.

From: [USA] Morris: "The Open Self"

5. When people create their lives, they should use all ways of life, not just one.

From: [USA] Morris: "The Open Self"