The first essential component of social justice is adequate food for all mankind.
"The past is always tense, the future perfect."
"The interplay between mathematics and computer science is a rich source of innovation."
The greater the obstacle, the more glory in overcoming it.
释义:日月想要明亮,浮云遮蔽了它们;河水想要清澈,沙石使它变污浊;人的性情想要平和,嗜好和欲望会损害了它。