Three things are good in small doses and bad in big ones: yeast, salt, and hesitation.
More Jewish Proverbs:
Don't be too sweet lest you be eaten up; don't be too bitter lest you be spewed out.Jewish
The heaviest burden is an empty pocket.
Jewish
A borrower may not lend the thing he borrowed.
Jewish
He who prays for his neighbors will be heard for himself.
Jewish
Don't settle in a place where the doctor has gout.
Jewish
Better be a cursed man than he who curses.
Jewish