因果视角将数据转化为知识。
The causal lens transforms data into knowledge.
《致全国学农工商通电》（1924年4月12日）
What is success? I think it is a mixture of having a flair for the thing that you are doing; knowing that it is not enough, that you have got to have hard work and a certain sense of purpose.
绘画的行为是一种臣服的行为。
If you're not failing, you're not pushing your limits, and if you're not pushing your limits, you're not maximizing your potential.