No sooner said than done.
More Latin Proverbs:
The antidote before the poison. [To offer excuses before an accusation.]Latin
I came, I saw, I won.
Latin
When an observation by joke is true, it is out of place and ill-natured.
Latin
No one is without flaw.
Latin
A noble mind possesses a kingdom
Latin
One man uses his tongue, another his teeth.
Latin