He is a hero in life and a hero in death. -----Li Qingzhao

Meaning: When alive, one should be a hero among men, and when dead, one should be a hero among ghosts.

Heaven and earth have no end, and human life is like the morning glow (Three Kingdoms·Cao Zhi)

Meaning: Heaven and earth are endless days, and human life is like the morning glow, which dissipates as soon as the sun rises. In general, it tells us that heaven and earth are eternal, but life is short. If you look at life in the context of heaven and earth and all things in the universe, it will feel very small. Because life is so short, seize the time.

Life is a gem that nature gives to humans to carve. ——Nobel

Meaning: Life comes from nature. How humans treat life is a right given by nature, which includes how humans treat themselves.

Meaning: Cherish and treat life and nature well.