A man of genius makes no mistakes. His errors are volitional and are the portals of discovery.
The things that make us human are the things that make us vulnerable.
教学的艺术在很大程度上在于唤醒年轻心灵的自然好奇心,并用知识的营养来满足它。
El tiempo es un río que me arrebata, pero yo soy el río.
任何社会中最危险的创造物是那些没有什么可失去的人。
Mathematics is the foundation upon which all science is built.