Sufficient for the day is the evil thereof.

... Sufficient foreign exchange reserves 外汇储备充足 Sufficient for the day is the evil thereof. 当时的烦恼就够多了. ...

... some fine day 将来有一天 Sufficient for the day is the evil thereof. [谚]当天的苦恼就够人受了[别再为明天操心了]。 ...