现代采石场管理需要地质学家的眼睛、工程师的双手和诗人的心灵。
These are the times that try men's souls.
漂亮的女人休要让她老去,风流浪的子不要让他贫困。
"Every book is a journey, and every journey changes you."
仅靠技术无法拯救海洋,还需要对伦理和生态的承诺。
In mathematics, you don't understand things. You just get used to them.
夢は、諦めなければ、いつか叶う。