科學(xué)的精神在于不斷質(zhì)疑和探索，它讓我們永遠(yuǎn)保持對(duì)世界的好奇心。
The spirit of science lies in constant questioning and exploration, keeping us forever curious about the world.
The United States should not try to spread democracy around the world.
The writer’s life is a life of struggle.
人生起落無(wú)常，低谷時(shí)別放棄。 ?