Every landscape is a state of mind.
每一处风景都是一种心境。
Mathematics is not just a human invention; it has a deep reality that exists independently of us.
The uniform， constant， and uninterrupted effort of every man to better his condition， the principle from which public and national as well as private opulence is originally derived.
土地不会忘记它的人民。
The first duty of a revolutionary is to be educated.
Silence is sometimes more powerful than words.