It's the squeaky wheel that gets the grease.
A little knowledge is a dangerous thing Link to proverb.
Let well alone.
There's none so blind as those who will not see.
It's never too late.
Problem shared is a problem halved - A.
Hear all, see all, say nowt, tak' all, keep all, gie nowt, and if tha ever does owt for nowt do it for thysen.