Widespread intellectual and moral docility may be convenient for leaders in the short term, but it is suicidal for nations in the long term. One of the criteria for national leadership should therefore be a talent for understanding, encouraging, and making constructive use of vigorous criticism.

A central lesson of science is that to understand complex issues (or even simple ones), we must try to free our minds of dogma and to guarantee the freedom to …

A millennium before Europeans were willing to divest themselves of the Biblical idea that the world was a few thousand years old, the Mayans were thinking of m…

If we keep on with business as usual, the Earth will be warmed more every year; drought and floods will be endemic; many more cities, provinces, and whole nati…

Democracy substitutes election by the incompetent many for appointment by the corrupt few.[1]

The American, if he has a spark of national feeling, will be humiliated by the very prospect of a foreigner's visit to Congress - these, for the most part, ill…

Admire the diamond that can bear the hits of a hammer. Many deceptive preachers, when critically examined, turn out to be false.