Tao Te Ching

“Truthfulness is the beginning and end of things; without truthfulness, there is nothing.”

— Zisi 子思 481 – 402 BCE via Daniel K. Gardner
(Kong Ji or Tzu-Ssu)
Confucius' grandson and early influence on Neo-Confucianism
from Doctrine of the Mean, Maintaining Perfect Balance, Zhongyong 中庸