Authority in science exists to be questioned, since heresy is the spring from which new ideas flow.

Scientia is knowledge. It is only in the popular mind that it is equated with facts.

When, as we must often do, we fear science, we really fear ourselves. Human dignity is better served by embracing knowledge.

Science never gives up searching for truth, since it never claims to have achieved it.

In nation after nation, democracy has taken the place of autocracy.

Science is a collection of stories, linking characters worthy of notice.

Idealism is the highest form of reason.