You can't make a good deal with a bad person.

绘画是一种道德行为。

The act of painting is an act of alchemy.

让我们陷入困境的不是无知，而是看似正确的谬误论断。

I’m not afraid of what people say about me. I’m afraid of what I might say back.

对来自学生的批评应该本着友好的精神来接受，学习材料的积累不应该扼杀学生的独立性。