But the essential fact remains that human life has got too complicated and the matter of merely feeding ourselves, directly or indirectly, is occupying well over ninety per cent of our human activities.

• 可是我们不能忘掉一个根本的事实，就是：人类的生活弄得太复杂了，光是直接或间接供养自己的问题，已经需要我们人类十分之九以上的活动了。