Therefore every addition to or deviation from nature belongs not to the ultimate perfection of all.
- Which is in Tao.
He who would attain to such perfection never loses sight of the natural conditions of his existence. With him the joined is not united, nor the separated apart, nor the long in excess, nor the short wanting. For just as a duck's legs, though short, cannot be lengthened without pain to the duck, and a crane's legs, though long, cannot be shortened without misery to the crane, so that which is long in man's moral nature cannot be cut off, nor that which is short be lengthened. All sorrow is thus avoided.
Intentional charity and intentional duty to one's neighbour are surely not included in our moral nature. Yet what sorrow these have involved. Divide your joined toes and you will howl: bite off your extra finger and you will scream. In one case there is too much, in the other too little; but the sorrow is the same. And the charitable of the age go about sorrowing over the ills of the age, while the non-charitable cut through the natural conditions of things in their greed after place and wealth. Surely then intentional charity and duty to one's neighbour are not included in our moral nature. Yet from the time of the Three Dynasties downwards what a fuss has been made about them!
Those who cannot make perfect without arc, line, compasses, and square, injure the natural constitu-