真理的概念与自由的概念不可分割。
The concept of truth is inseparable from the concept of freedom.
A mathematician's work is never done; there are always new questions to ask and new mysteries to solve.
"Books are the most precious gifts we can give to a child."
Marine conservation is not a sacrifice—it’s an investment in our survival.
未来は、自分で切り開くものだ。