Untimeous spurring spoils the steed.
Up hill spare me, doun hill tak tent o' thee.
Use maks perfyteness.
The Scottish version of the very common saying, "Practice makes perfect."
ad ye gar us trow that the mune's made o' green cheese, or that spade shafts bear plooms?
That is, Would you really try to make us believe anything so false or absurd as we know such a thing to be?
Waes the wife that wants the tongue, but weel's the man that gets her.