Violence is the last refuge of the incompetent.

No one suggests that writing about science will turn the entire world into a model of judgment and creative thought. It will be enough if they spread the knowledge as widely as possible.

It is quite clear that as long as the nations of the world spend most of their energy, money, and emotional strength in quarreling with words and weapons, a true offensive against the common problems that threaten human survival is not very likely. A world government that can channel human efforts in the direction of the great solutions seems desirable, even essential. Naturally, such a world government should be a federal one, with regional and local autonomy safeguarded and with cultural diversity promoted.

It is the writer who might catch the imagination of young people, and plant a seed that will flower and come to fruition.

There is no belief, however foolish, that will not gather its faithful adherents who will defend it to the death.

They won't listen. Do you know why? Because they have certain fixed notions about the past. Any change would be blasphemy in their eyes, even if it were the truth. They don't want the truth; they want their traditions.

A subtle thought that is in error may yet give rise to fruitful inquiry that can establish truths of great value.