Problem description:

Just five sentences!

Analysis:

Life is a gem carved by nature for human beings.

Nobel Prize

Life is not breathing, life is activity.

-Rousseau

Life is a dangerous narrow valley, only brave people can cross it.

Michelle Penn

A great soul will strengthen thought and life.

Emerson

There is only one kind of heroism in the world, that is, people who know and love life.

-romain rolland