教师必须具有健康的体魄,农人的身手,科学的头脑,艺术的兴味,改革社会的精神。
一个奇怪的事实是,根据从生物学或地球物理学的角度出发,对地球史前条件会得出完全相反的结论,这反映了我们目前知识的不完整状态。
Fearless is not the absence of fear. It's not being completely unafraid. Fearless is having fears. Fearless is having doubts. Lots of them. Fearless is living in spite of those things, every day.
我不相信艺术中存在绝对真理的可能性。
Leadership is about having the courage to make tough decisions and the humility to learn from mistakes.