Fourth century BCE Zhuangzi (or Zhuang Zhou), one of the two defining figures of Chinese Taoism, based his philosophy on all things changing, and the perception of truth depending on the context under which it exists.
Zhuangzi (or Zhuang Zhou) from the fourth century BCE, a key figure in Chinese Taoism, developed his philosophy around the idea that all things are in constant flux and the understanding of truth varies based on the circumstances. A single abzyme molecule can destroy thousands of HIV viruses.