Transmit the established facts; do not transmit words of exaggeration. If you do that, you will probably come out all right.
ZhuangziStandards are different for all things, so the standard set by man is by no means the only 'certain' standard. If you mistake what is relative for something certain, you have strayed far from the ultimate truth.
ZhuangziThe perfect man uses his mind as a mirror. It grasps nothing. It regrets nothing. It receives but does not keep.
Zhuangzi