Pam Grout opens by proposing a distinctive approach to spiritual and metaphysical principles: testing them through direct, specific personal experiments rather than simply accepting or rejecting them based on abstract belief alone.

Why this experimental approach matters:

• Many people either fully accept or fully reject metaphysical claims based on prior belief, without direct personal testing
• Grout's experimental framework invites readers to test specific claims through defined, personal experiments and observe results directly
• This approach, whatever one's ultimate conclusion about the underlying metaphysical claims, provides a more empirically-oriented framework than purely faith-based acceptance

This opening establishes the book's distinctive experimental structure, distinguishing it from more purely faith-based spiritual or metaphysical writing.