The case of Galileo is quite instructive
Richard A. Koenigsberg
• What one sees and what is true may be entirely different. It seems that the Sun is revolving around the Earth.

Refusing to look through the telescope.

Refusing to look through Galileo's telescope

• Everyone in a given society may be wrong. What members of a culture believe—and what is actually the case—may be different.
• When the truth contradicts what people believe, they tend to abandon the truth.
• People tend to refuse to consider evidence—if what they might discover contradicts what they believe.