(variant form) to concentrate one's attention on a single purpose; focused and single-minded

(variant form) to be unable to agree on a single course of action or reach a common conclusion

sincere and single-minded; devoted to one purpose or heart and soul

(c. 2nd century AD) A famous poet and calligrapher of the Eastern Han dynasty known for his cynical and defiant character. His most famous work, the "Ci Shi Ji Xie Fu", is a landmark of Han poetry that expresses fierce dissatisfaction with the corruption of his time.