And if you do, it's quite hard to sort of limit the point.

如果你这样做了， 就很难限制这一点。

I shall argue that the postulates of the classical theory are applicable to a special case only and not to the general case, the situation which it assumes being a limiting point of the possible positions of equilibrium.

我将论证，经典理论的假设仅适用于特殊情况， 不适用于一般情况， 它假定的情况是可能的均衡位置的限制点。