(1)Ni heolas go haontios
Means:
There is no knowledge without unity or
(more prosaically & less accurately):
You don't know a person until you live with them .
(2) Bionn dha insint ar sceal agus dha leagan deag ar amhran
Means:
There are two versions of/two sides to every story & (at least) twelve versions of every song.
(3)Is maith an scathan suil charad
Means:
A (true) friend's eye is a good mirror .
(4) Is minic a rinne bromach gioblach capall cumasach
Means:
An awkward colt often becomes a beautiful horse .
(5) An te nach mbionn laidir ni follair do bheith glic !
Means:
He who is not strong must needs be cunning!