The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.
The past is a ghost that won’t stop haunting you.
凡是在地方上做官的人,知道自己的职责吗?应该是百姓的仆役,而不是役使百姓的人
物理学的美在于它能够用简单而优雅的理论解释复杂的事物。