冲突是思想的牛蝇。它激发我们观察和记忆。它激励创新。它将我们从羊群般的被动性中惊醒,并让我们留心观察和设计。
你做出的最重要决定是保持好心情。
The joy of discovery in mathematics is like solving a puzzle that the universe has left for us.