数学的本质在于它的自由。
The essence of mathematics lies in its freedom.
Be less curious about people and more curious about ideas.
历史就是现在。这就是为什么每一代人都要重新书写它。但大多数人认为的历史是其最终产物——神话。
——1963年6月25日在西德市政厅柏林墙前的演说
Fishermen are our foundation; without their hard work, there would be no Chinese fisheries today.