Reality is merely an illusion,albeit a very persistent one.
"A writer's duty is to tell the truth, even when it is uncomfortable or inconvenient."
最好的果实来自于耐心、细心和对自然时机的尊重。
期权的真正价值不在于其价格,而在于它为持有者提供的灵活性。
Theorems are eternal; their proofs are ephemeral.
世界充满了故事,每个故事本身就是一个世界。