The greatest tragedy of humanity is not death, but the loss of dignity.
And when your sorrow is comforted time soothes all sorrows you will be content that you have known me. You will always be my friend. You will want to laugh with me. And you will sometimes open your window, so, for that pleasure…
Chemistry is the art of building bridges between the microscopic and the macroscopic.
翻译：运用五行学说解释自然现象，体现了古代哲学的智慧。