True science is the search for truth. The single most important principle of science education is the one that instructs students to identify assumptions, use critical thinking, make logical deductions, and consider alternative explanations.

Almost everyone believes in some form of future life (or immortality) because of the extreme inequalities experienced in this life. People just naturally feel that something will be done, somewhere, somehow, to even things out. However, just what immortality means in the minds and hearts of men does vary widely—extremely so—with different groups of people around the world.