Chapter 12 of Tao Te Ching:
Five colors lead to blindness; Five tones are not deaf; Five flavors are refreshing; Galloping and hunting makes people crazy; Rare goods are an obstacle. It's the saint's stomach, not his eyes. Go and get this somewhere else.
Extended data:
Tao Te Ching is a philosophical work of Laozi (Li Er) in the Spring and Autumn Period, also known as Tao Te Ching, Laozi's Five Thousand Words and Laozi's Five Thousand Articles. It is a work of China before the separation of the pre-Qin philosophers in ancient times, and it is an important source of Taoist philosophy.
The text takes "virtue" in the philosophical sense as the key link, and discusses the ways of self-cultivation, governing the country, using troops and keeping in good health, mostly focusing on politics. It is the so-called "inner sage and outer king", which has profound meaning and wide tolerance and is known as the king of all classics.