The work of science is to substitute facts for appearances and demonstrations for impressions.
Take the decision in early March to arrest Muqtada al-Sadr. It was made apparently without knowledge or understanding of the nature of his movement or how widespread it is.
Nothing is so threatening to conventional values as a man who does not...
Ignorance more frequently begets confidence than does knowledge: it is...
No thief, however skillful, can rob one of knowledge, and that is why...