You can fool all the people some of the time, and some of the people all the time, but you cannot fool all the people all the time. Abraham Lincoln
An expert is someone who knows some of the worst mistakes, which can be made, in a very narrow field. Niels Bohr
Let us treasure up in our soul some of those things which are permanent..., not of those which will forsake us and be destroyed, and which only tickle our senses for a little while. Gregory of Nazianzus
Lay it on thick and some of it will stick. Italian Proverb
A dog never bit me but I had some of his hair. Italian Proverb
Calumniate strongly and some of it will stick. Latin Proverb