在数学研究中，坚持是关键；许多伟大的成果来自于一遍又一遍地从不同角度看待同一个问题。

The only thing I know is that I paint because I need to, and I paint whatever passes through my head without any other consideration.

Every leaf of vegetable is a gift from nature. We must plant and harvest with reverence.

The greatest thing in style is to have a command of metaphor.

过去是一个异国他乡；他们在那里行事不同。