Short-term gains should never come at the expense of long-term sustainability.
依靠聪明、平衡的人类几个世纪以来所依赖的普通美德。常识、节俭、现实的期望、耐心和毅力。
The joy of mathematics comes from the struggle to understand.
真正的挑战不是建造一个便宜的房子,而是建造一个居住成本低的房子。
In the end, we will remember not the words of our enemies, but the silence of our friends.