The surface of a painting is a battlefield where all the problems of painting are fought out.
"In the silence between words, we often find the most profound truths."
SINCERITY. Use no hurtful deceit; think innocently and justly, and, if you speak, speak accordingly.
诚恳：不要恶意欺骗人，思想纯洁公正，讲话也是如此。
The structure of the international system forces states to behave in certain ways, regardless of their internal characteristics.