NichiDict

過ぎたるは猶及ばざるが如し

すぎたるはなおおよばざるがごとし
過ぎたるはなお及ばざるが如し過ぎたるはなお及ばざるがごとし
[sugitaruhanaooyobazarugagotoshi]

Meanings

1.Expression

the last drop makes the cup run over; too much of a good thing; less is more