What does 尽信书不如无书 mean?
尽 (jìn) = &quot;completely&quot;
信 (xìn) = &quot;believe in&quot;
书 (shū) = &quot;book&quot;
不如 (bùrú) = &quot;better off&quot;
无 (wú) = &quot;without&quot;
书 (shū) = &quot;book&quot;
&quot;尽信书不如无书&quot; mean &quot;It is better to have no book at all than blindly believe in everything in the books&quot;

Prejudice is worse than ignorance; wrong information is worse than no information
prejudice: preconceived opinion that is not based on reason or actual experience.
ignorance: lack of knowledge or information

The phrase is not telling you not to read. It is telling you to also think for yourself when you read.