没有冬天的寒冷，夏天的温暖又有什么意义呢？
"What good is the warmth of summer, without the cold of winter to give it sweetness."
Beauty is in the eye of the beholder, but it's the artist's job to challenge that.
大萧条不是市场的失败，而是政策的失败。
真相往往隐藏在显而易见之处。
Mathematics is not just about numbers and equations; it's about understanding the deep patterns and connections in the universe.
数学中最深刻的发现往往来自最简单的观察。