Kotowaza of the day: Perils of Multitasking

Japanese:

田の事すれば畠が荒れる

Romanized:

Ta-no koto sureba hatake-ga areru

Meaning of Japanese:

While you are tending to the rice paddy, the other fields will grow wild

English equivalent:

One thing at a time
You cannot eat your cake and have it, too

Related:

Time waits for no man