Using a point to show that a point is not a point is not as good as using a nonpoint to show that a point is not a point.

There is order in chaos, and certainty in doubt. The wise are guided by this order and certainty.

We cling to our own point of view, as though everything depended on it. Yet our opinions have no permanence; like autumn and winter, they gradually pass away.

To stop leaving tracks is easy. Not to walk upon the ground is hard.