Terms for subject Saying containing that's one

English	Russian
a true mother is not the one that gave birth but the one who cared and brought up	не та мать, которая родила, а та, которая выносила (antoxi)
better devil that is known than the one that is not	Знакомый черт лучше незнакомого (Irina Verbitskaya)
one must not take all that is said literally	не всякое лыко в строку (Anglophile)