Loneliness is the starting point of thought.

The human body is the best picture of the human soul.

The distinction between mind and matter applies only to logical constructions out of sense-contents.

Every mathematical problem has a solution; it's just a matter of finding the right perspective.

译文：人不要做伤天害理之事，就不会有人恨得咬牙切齿。赏析：人做坏事自然就会有人讨厌，甚至是除之而后快的心。人做坏事，就是给自己带去祸患。