心灵的提升一方面通过内心的沉思,这里我借用一段罗素对苏格拉底的辩证法的看法:“是那些我们对其已拥有足够的知识去得出正确的结论,但却失败了,是由于思考的混乱或分析的不足,而让我们未能通过最佳的逻辑来运用已知的知识。”(those as to which we have already enough knowledge to come to a right conclusion, but have failed, through confusion of thought or lack of analysis, to make the best logical use of what we know);