Human beings, who are

Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so. Douglas Adams

Real knowledge is to

Real knowledge is to know the extent of one’s ignorance. Confucius

A stupid man’s report

A stupid man’s report of what a clever man says can never be accurate, because he unconsciously translates what he hears into something he can understand. Bertrand Russell

The trouble with the

The trouble with the world is that the stupid are cocksure and the intelligent are full of doubt. Bertrand Russell