"I began to make inquiries of the hundreds of successful men who collaborated with me in the organization of the science of success, and discovered that each of them had received guidance from unknown sources, although many of them were reluctant to admit this discovery."

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Parental trust is extremely important in the guidance of adolescent children as they get further and further away from the direct supervision of their parents and teachers. I don't mean that trust without clear guidance is enough, but guidance without trust is worthless.

— Benjamin Spock