The natural desire of good men is knowledge.
Art is the queen of all sciences communicating knowledge to all the generations of the world.
Our body is dependent on heaven and heaven on the Spirit.
The merit of painting lies in the exactness of reproduction. Painting is a science and all sciences are based on mathematics. No human inquiry can be a science unless it pursues its path through mathematical exposition and demonstration.
Darkness is absence of light. Shadow is diminution of light.
The water which rises in the mountains is the blood which keeps the mountain in life.