1. There is only one kind of heroism in the world, that is, people who understand life and love life, which originated from Romain Rolland.

2. A life full of content is a long life. We should measure life by actions rather than time, which originated from Seneca the Younger.

3. The shortening of life span is directly proportional to the wastage of thought, originating from Darwin.

4. Whoever can enrich every moment with profound content is extending his life indefinitely. This comes from Kurtz.

5. Do you love life? Then don't waste time, because time is the material of life, originated from Franklin.

6. Life is like running water. It is beautiful and meaningful only when its rapids and rush forward. It originated from Zhang Wentian.