No man's knowledge here can go beyond his experience.

谈论绘画不仅困难，也许还毫无意义。

正直就是在没人看的时候做正确的事。

In this trifling affair， that misunderstandings and neglect occasion more mischief in the world than even malice and wickedness. At all events， the two latter are of less frequent occurrence.

History is not the past. It is the method we have evolved of organizing our ignorance of the past.

生活不是等待暴风雨过去，而是学会在雨中跳舞。